What coefficient of friction do cars need on a flat curve?(a) Calculate the centripetal force exerted on a 950 kg car that negotiates a 450 m radius curve atm20.0SEnter to 3 significant figuresFo 0.224N(b) Assuming an unbanked curve, find the minimum static coefficient of friction between the tires andthe road, static friction being the reason that keeps the car from slipping (see figure below).W!No, that's not the correct answer.Free-bodydiagramfNWƒ = FCaption: This car on level ground is moving away and turning to the left. The centripetal force causingthe car to turn in a circular path is due to friction between the tires and the road. A minimumcoefficient of friction is needed, or the car will move in a larger-radius curve and leave the roadway.Enter to 3 significant figuresHs= 0.224√

This problem can be solved using basic formula of 2D motion.

Fc = 0.224 N (b) Assuming an unbanked curve, find the minimum static coefficient of friction between the tires and the road, static friction being the reason that keeps the car from slipping (see figure below). X Free-body diagram N W

Fc = 0.224 N (b) Assuming an unbanked curve, find the minimum static coefficient of friction between the tires and the road, static friction being the reason that keeps the car from slipping (see figure below). X Free-body diagram N W

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter6: Applications Of Newton's Laws

Section: Chapter Questions

Problem 13CQ: Suppose a child is riding on a merry-go-round at a distance about halfway between its center and...

See similar textbooks

Related questions

Q: A small metal cylinder rests on a circular turntable that is rotating horizontally at a constant…

A: The speed is The acceleration is The force is

Q: Consider the circuit shown above, where V = 5V, R₁ = 102, R₂ = 10 2, R3 = 20 02, and R4 = 47 92.…

Q: Problem 2: Side-view mirrors allow a driver to see what is directly behind the vehicle. The driver…

A: Given:y = 18 inchesdL = 22 inchesdR = 46 inches

Q: The coefficient of kinetic friction between the 45-kg crate and the ground is μ = 0.3. The crate…

Q: A particle with mass 3x10-2 kg and charge +4 μC enters a region of space where there is a magnetic…

A: The mass of the particle, The charge, The magnetic field, The aceleration is

Q: A 2.00-kg ball is raised from the ground to a bench 1.49-m high from the ground. The work done by…

Q: Consider a laser beam with this averaged intensity, Savg = 885 W/m^2. [Hint: light intensity S = u c…

Q: A dockworker loading crates on a ship finds that a 35-kg crate, initially at rest on a horizontal…

Q: A 300 kg piano is being lowered into position by a crane while two people steady it with ropes…

Q: AVbattery = 30 V, C = 3.0 F, and R = 2.0 2. What is the switch is closed, in Ampere? Your answer…

A: Voltage of battery, Resistance of circuit, We need to…

Q: A car is travelling west and approaching a stop sign. As it is slowing to a stop, the directions…

A: As the car is traveling west and slowing to a stop, its velocity is still in the west direction…

Q: Determine the magnitudes of the currents through R1 and R2 in (Figure 1), assuming that each battery…

Q: A 1500 kg car starts from rest and drives around a flat 69-m-diameter circular track. The forward…

Q: You need to carry 40 pound bags of soil from the terrace level up to a greenhouse. The elevator is…

A: 1 pound = 0.454 kgMass of soil bag M = 50 pounds = 50 × 0.454…

Q: The classical (planetary) model of the atom was invalidated by the experimental evidence that:…

Q: A 10 T uniform magnetic field in the yz-plane is directed 0 = 100° from the +y-axis. Calculate the…

A: Magnetic field is Area is Angle made by magnetic field with +y-axis towards +z-axis is Note:Find:The…

Q: A 104 kg person and their 10 kg dog are 12.5 m away from each other. If you approximate them both as…

Q: You embark on a round-trip journey to a star 11 light-years away, as measured in Earth's reference…

Q: the BB doesn't exit the box, what will the velocity of the box v2, be in meters per second?

Q: The capacitor in the circuit shown below is initially uncharged. The switch is closed at t = 0 s. AV…

Q: 5.32 Find the current lg in the network in Eigure P5.32. w 1Ω 1Ω 1Ω 6/0° A tele j1 Ω 1Ω το

Q: Part A What is the angular displacement of the wheel between t = 5 s and t = 15 s? Express your…

A: The graph between angular displacement and time is shown in figure-

Q: As a sailboat sails 59 m due north, a breeze exerts a constant force F₁ on the boat's sails. This…

A: The work done by force = F d cosθ where θ is the angle between force vector and displacement…

Q: 4.6kJ of heat is added to a calorimeter containing 50g of water and the temperature rises from 24…

Q: In the Figure below two children are playing a game in which they try to hit a small box on the…

Q: When human skin is wounded because of a puncture or scrape, disk-shaped keratinocyte cells migrate…

A: The diameter of keratinocyte cells is The angular speed of rolling keratinocyte cells is The length…

Q: how far does block 2 travel after the collision

Q: projectile motion of the ball is shown below. at is the time of flight in seconds? und your answer…

Q: A person struggles to read by holding a book at arm's length, a distance of 49 cm away. Part A What…

A: Near point is Object distance is Image distance is Note:Find:Power of glasses.

Q: Which statement best describes the image that is formed? The image is real because the reflected…

A: Object distance , = -2FIt means the object is placed at 2F (=C) in front of the concave mirror.It's…

Q: For what speed is the tension the same in both wires? Express your answer with the appropriate…

Q: A 10.0 kg block is released from point A in the Figure below. The track is friction-less except for…

Q: The circumference of a sphere was measured to be 84 cm with a possible error of 0.5 cm. (a) Use…

A: Given, circumference of sphere = 84cmPossible error, dC = ± 0.5cm or 1/2We know, Circumferance, C =…

Q: estion. 6. The diagram below illustrates a car travelling with a constant speed around a curve in…

A: “Since you have posted multiple questions, we will provide the solution only to the first question…

Q: Differentiate the function. = In({ (4t+ 1)³ (4t-1)5 F'(t) = F(t) = In

A: The derivative of the function in the division form is given by the quotient rule which is given by-…

Q: Suppose that 5 J of work is needed to stretch a spring from its natural length of 32 cm to a length…

Q: Drag the origin of the graph to the center of the page Drag vector A to the origin with its tail…

A: For vector addition( graphical method/head to tail method), follow the following steps.Starting from…

Q: 1. Your free body diagram for Part 2 should have looked like this: Construct the free-body diagram.…

Q: 1. ? \f= 7.5 N ? a = 0 = Free-body diagram F₁ Enter to 2 significant figures m/s² degrees F₁ F₁ = 10…

Q: The body in the figure is pivoted at O, and two forces act on it as shown. If r₁ = 1.01 m, r₂ = 3.04…

Q: In the figure V = 5.5 V, C₁ = C₂ = 37 μF, and C3 = C4 = 13 μF. What is the charge on capacitor 4? G₁…

Q: angular acceleration of 1.10 rad/s². During a certain 6.00 s interval, it turns through 51.0 rad.…

Q: A wire of length = 0.45 m is conducting a current of i = 9.5 A toward the top of the page and…

Q: A box with a mass of 3.00 kg starts from rest at the top of a 34.0° incline and slides 2.00 m down…

Q: What causes Brownian motion? What was Brown's initial observation? How did Einstein help explain…

A: Brownian motion is caused by the random collisions of fluid molecules with a suspended particle.…

Q: stuck on this question, please explain your answer and each step. Thank you! Use the following…

A: Given Data:The mass of the charge is The potential difference is The distance between the plates is…

Q: 2) A 3 amp current flows in the +z direction (out of the page) 3mm away from a 2 amp current which…

A: The right-hand rule for magnetic field direction states that if you point your thumb in the…

Q: A small 0.360-kg object moves on a frictionless horizontal table in a circular path of radius 3.00…

A: Mass of object is m= 0.360 kgInitial radius of circular path is ri= 3.00 mInitial angular speed is…

Q: You push a file cabinet up a frictionless ramp tilted at 10°with horizontal. The file cabinet has a…

Q: Rupaul has just been announced as the Stampede Marshall for 2024. In a practice run, he is standing…

A: The mass of the float is The velocity of the horses is The diameter of the giant is The coefficient…

Concept explainers

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.

Question

What coefficient of friction do cars need on a flat curve?
(a) Calculate the centripetal force exerted on a 950 kg car that negotiates a 450 m radius curve at
m
20.0
S
Enter to 3 significant figures
Fo 0.224
N
(b) Assuming an unbanked curve, find the minimum static coefficient of friction between the tires and
the road, static friction being the reason that keeps the car from slipping (see figure below).
W
!
No, that's not the correct answer.
Free-body
diagram
f
N
W
ƒ = F
Caption: This car on level ground is moving away and turning to the left. The centripetal force causing
the car to turn in a circular path is due to friction between the tires and the road. A minimum
coefficient of friction is needed, or the car will move in a larger-radius curve and leave the roadway.
Enter to 3 significant figures
Hs= 0.224
√

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1: Introduction

VIEW

Step 2: Calculating coefficient of friction needed

VIEW

Solution

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Follow-up Questions

Read through expert solutions to related follow-up questions below.

Follow-up Question

the second part is inc

Solution

by Bartleby Expert

SEE SOLUTION

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

A car rounds an unbanked curve of radius 65 m. If the coefficient of static friction between the road and car is 0.70, what is the maximum speed at which the car can traverse the curve without slipping?
A space station, in the form of a wheel 120 m in diameter, rotates to provide an artificial gravity of 3.00 m/s2 for persons who walk around on the inner wall of the outer rim. Find the rate of the wheels rotation in revolutions per minute that will produce this effect.
An airplane flying at 200.0 m/s makes a turn that takes 4.0 mm. What bank angle is required? What is the percentage increase in the perceived weight of the passengers?
If centripetal force is directed toward the center, why do you feel that you are ‘thrown’ away from the center as a car goes around a curve? Explain.
A 14000N car traveling at 25m/s rounds a curve of radius 200m.Find the following: A) The centripetal acceleration of the car. B) The force that maintain centripetal acceleration. C) The minimum coefficient of statistic friction between the tires and road that will allow the car to round the curve safely.
The maximum static coefficient of friction between the tires of a 2000 kg car and the road is lsmax 0.25. What is the maximum speed with which the car can make a turn of radius 50 m without skidding?
A 14000N car traveling at 25 m/s rounds a curve of radius 200 m. Find the following 1. The centripetal acceleration of the car? 2. The force that maintains centripetal acceleration? 3. The minimum coefficient of static friction bettween the tires and will allow the car to round the curve safely?
A car is driving on circular test track of radius 900 m at a constant tranlational speed. The friction foce between the tire and the track provides the centripetal force to keep the car in the corcular motion. If the lap time of the car is 58 s and the mass of the car is 1200 kg. fond the magnitude of the frictional force between the tire and the track in the unit N.
If a car takes a banked curve at less than a given speed, friction is needed to keep it from sliding toward the inside of the curve (a real problem on icy mountain roads). a) calculate the minimum speed, in meters per second, required to take a 92 m radius curve banked at 11 degrees so that you don't slide inwards, assuming there is no friction. b) What is the minimum coefficient of friction needed for a frightened driver to take the same curve at 25 km/h?
A car goes around a curve on a road that is banked at an angle of21.5°. Even though the road is slick, the car will stay on the roadwithout any friction between its tires and the road when its speedis 19.8 m>s. What is the radius of the curve?
(a) Calculate the centripetal force exerted on a 900.0-kg car that negotiates a 500.0-m radius curve at 25.00 m/s. (b) Assuming àn unbanked curve, find the minimum static coefficient of friction between the tires and the road, static friction being the reason that keeps the car from slipping.
An automobile travels on a perfectlyhorizontal circular track of radius R. Thecoefficient of friction between tires and the trackis 0.30. If the car’s velocity is 15 m/s, what isthe smallest radius, R, it may travel withoutskidding