A contestant in a winter games event pushes a 55.0 kg block of ice across a frozen lake as shown in the figure below. Thecoefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03. (Assume 0 = 18⁰.)(a) Calculate the minimum force F (in N) he must exert to get the block moving.58.57✔N(b) What is its acceleration (in m/s2) once it starts to move, if that force is maintained?0.689x

Answered: Image /qna-images/answer/a5f20c12-8d43-4aec-98b5-0ac8de043b29.jpg

A contestant in a winter games event pushes a 55.0 kg block of ice across a frozen lake as shown in the figure below. The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03. (Assume 8 = 18⁰.) (a) Calculate the minimum force F (in N) he must exert to get the block moving. 58.57 ✔N (b) What is its acceleration (in m/s2) once it starts to move, if that force is maintained? 0.689 x

A contestant in a winter games event pushes a 55.0 kg block of ice across a frozen lake as shown in the figure below. The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03. (Assume 8 = 18⁰.) (a) Calculate the minimum force F (in N) he must exert to get the block moving. 58.57 ✔N (b) What is its acceleration (in m/s2) once it starts to move, if that force is maintained? 0.689 x

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Related questions

Q: The figure below shows a box with a mass of 20kg. Sliding down an inclined plane which makes an…

Q: You decide to use a rope to pull your truck out of the mud. If your truck has a mass of 1,400 kg and…

Q: A 500-lb object is released from rest 500 ft above the ground and allowed to fall under the…

Q: F_ m m μsk y x

Q: A 3 kg object moves along an x axis according to x (t) = 9 + 8 t + 7 t 2 +9 t 3, with x in meters…

Q: A horizontal force of 93.2N is applied to a 42.5 kg crate on a rough level surface. If the crate…

A: Given: Force = 93.2 N mass = 42.5 kg acceleration = 1.08 m/s2 To Find : Magnitude of kinetic…

Q: While an elevator of mass 812 kg moves downward, the tension in the supporting cable is a constant…

Q: A 35.0-kg child swings in a swing supported by two chains, each 2.90 m long. The tension in each…

A: The child's mass:the length of the chains: The tension in the chains at the lowest point:

Q: 58. Find the unit vector of direction for the following vector quantities: (a) Force F = (3.0ï —…

Q: A particle with mass m moves in the direction of the X axis, under the influence of the following…

Q: Q: A normal walking speed is around 2.0 m/s . How much time t does it take the box to reach this…

Q: 28º.) Calculate the minimum force F (in N) he must exert to get the block moving. What is its…

Q: A contestant in a winter games event pushes a 36.0 kg block of ice across a frozen lake as shown in…

Q: Often a vector is specified by a magnitude and a direction; for example, a rope with tension T…

A: Cx,Cy = (-0.57,0.82)Explanation:

Q: Two blocks are connected by a string that goes over an ideal pulley as shown in the figure. The…

A: For Block A, Frictional force, Fk=μk.mA.g.sinθ, μk= Coefficient of kinetic friction Component of…

Q: 2. An air track is set to be perfectly level on a lab table, and the glider (total mass 120 grams)…

Q: A horizontal force of magnitude F = 57.5 N pushes on a block of mass m = 4.7 kg. The block is on a…

A: The given situation can be represented as

Q: Consider the folowing situation: A 2 kg box on an inclined frictionless table pulled up the incline…

A: Given data: The given mass of the block, m=2 kg. The angle of the inclined plane, θ=15°.

Q: A car can accelerate at -3.80 m/s2 without skidding when coming to rest on a level road. What would…

Q: A contestant in a winter games event pushes a 56.0 kg block of ice across a frozen lake as shown in…

A: To find (a) minimum force(b) acceleration

Q: What is the tension (in N) in the rope?

A: The tension in the rope is 7.84 N.

Q: Computation. A block of mass 67 kg is being pulled up a 43° slope by a force, F, directed parallel…

Q: he is pulled upward at a constant vel Question 14. To hoist himself into a tree, a 72.0-kg man ties…

A: Tension, T = 367 NMass, m = 72 kgAcceleration, a = ?

Q: A cord passing over a pulley connects two masses, as shown, where m, 3.70 kg and m₂ 6.50 kg. The…

Q: Some object with mass 0.1 Kg slides along a flat surface. Friction exists. Horizontal force of 1N is…

Q: On wet pavement the coefficient of kinetic friction may be only 0.250. How fast should you drive on…

A: Given value--- coefficient of kinetic friction = 0.800 . initial velocity = 25.5 m/s. final…

Q: Consider an inclined plane with a 1 kg block on it. The plane makes an angle of 34 degrees with the…

Q: The 42-kg crate is stationary when the force P is applied. Determine the resulting acceleration of…

Q: The rolling resistance for steel on steel is quite low; the coefficient of rolling friction is…

A: Given, rolling friction coefficient 0.002 mass of locomotive is 180000 initial velocity is 11 m/s…

Q: A crate slides down a ramp 24.37 m long inclined at 25.71°. How long will it take to reach the end…

Q: A book with mass = 2.25 kg rests on the surface of a bar. The coefficient of static friction between…

A: Part(a) : a=g(μs−μk) Part(b) : 2.646 m/s⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠2 Explanation:

Q: Two horizontal forces, P and Q, are acting on a block that is placed on a table. We know that P =…

A: Given: The mass of the object is 5.1 kg. P→=-2.1i^+4.25k^ N The velocity of the object is constant.

Q: A 40 kg wooden crate is being pulled across a wooden surface by a force (of magnitude F) that is…

A: Mass of the wooden crate is M = 40 kg Coefficient of kinetic friction is uk = 0.3 Coefficient of…

Q: A student is pulling a crate with a mass of 66.6 kg along a horizontal frictionless floor with a…

A: GivenMass of crate .m=66.6 kgAngle ,θ=30.0°Tension force ,T=239 Ng=10.0 m/s2

Q: nd Fg 40.0N. where N is the standard Sl unit of force. What is F3 in unit-vector notation?

Q: Blocks 1 and 2 are moving to the right on a frictionless surface by the tension TB = 36 N as shown.…

A: Given, Surface is frictionless

Concept explainers

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.

Question

A contestant in a winter games event pushes a 55.0 kg block of ice across a frozen lake as shown in the figure below. The
coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03. (Assume 0 = 18⁰.)
(a) Calculate the minimum force F (in N) he must exert to get the block moving.
58.57
✔N
(b) What is its acceleration (in m/s2) once it starts to move, if that force is maintained?
0.689
x

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: Determine the given variable

VIEW

Step 2: Find the min force required for the block to move

VIEW

Step 3: Find acceleration when block start moving

VIEW

Solution

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 4 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

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 2140 kg car traveling to the west at 17.1 m/s slows down uniformly. How long would it take the car to come to a stop if the force on the car is 8560 N to the east? Let East be positive.Answer in units of s. What is the car’s displacement during the time it takes to stop?Answer in units of m.
For a short period of time, the frictional driving force acting on the wheels of the 2.3-Mg van is FD = (600+2) N, where t is in seconds. (Figure 1) Figure FD 1 of 1 Part A If the van has a speed of 22 km/h when t= 0, determine its speed when t = 5 s. Express your answer to three significant figures and include the appropriate units. CHμA V = 3.32 Submit m Provide Feedback S ? Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining
Problem 2: An applied force of 20 N is used to accelerate an object to the right across a frictional surface. The object encounters 10 N of friction. Use the diagram to determine the normal force, the net force, the coefficient of friction (u) between the object and the surface, the mass, and the acceleration of the object. (Neglect air resistance.) Fnorm Friet =10 N Fapp = 20 N Fgrav=100 N m = a = Fnet=
The figure shows three blocks attached by cords that loop over frictionless pulleys. Block B lies on a frictionless table; the masses are mA blocks are released, what is the tension in the cord at the right? 6.70 kg, mB 6.20 kg, and mc = 12.0 kg. When the B C Number Units
Two masses m,=9 Kg and m,=9 Kg are connected with string and pulled with a force F=25 N that makes an angle of 53° with a smooth horizontal surface as shown in the figure. Find the tension in the string in a unit of Newton. F m2 A. 10.64 B. 7.523 C. None D. 15.05 E. 3.761 O d O O Uodou
A contestant in a winter games event pushes a 37.0 kg block of ice across a frozen lake as shown in the figure. 25°. The coefficient of static friction is 0,1 and the coefficient of kinetic friction is 0.03. (a) Calculate the minimum force F (in N) he must exert to get the block moving. 39.96 (b) What is its acceleration (in m/s2) once it starts to move, if that force is maintained? 0.686 xm/s2 Additional Materials O Reading Submit Answer P Type here to search DELL Esc F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 トI @ #3 $ % 3 4 Tab W R T. Y Caps Lock K Ehift V つ A
A robot pushes a 20-kg box on the horizontal surface as part of the moving job. The force is 35 N to the left shown, and the box does not move. The coefficients of friction between the floor and box are µs = 0.75 and uk = 0.40. What is the minimum pushing force (magnitude only) needed to move the box, in Newtons? Useg = 10 m/s². Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.
A ball with mass 0.75 kg is thrown upward with initial velocity 30 m/s from the roof of a building 10 m high. Assume there is a force due to |v| air resistance of magnitude directed opposite to the velocity, where 30 the velocity v is measured in m/s. NOTE: Use g=9.8 m/s² as the acceleration due to gravity. Round your answers to 2 decimal places. a) Find the maximum height above the ground that the ball reaches. Height: m b) Find the time that the ball hits the ground. Time: seconds
A ball with mass 0.1 kg is thrown upward with initial velocity 5 m/s from the roof of a building 60 m high. Assume there is a force due to |v| air resistance of magnitude directed opposite to the velocity, where 30 the velocity v is measured in m/s. NOTE: Use g=9.8 m/s² as the acceleration due to gravity. Round your answers to 2 decimal places. a) Find the maximum height above the ground that the ball reaches. Height: m b) Find the time that the ball hits the ground. Time: seconds c) Use a graphing utility to plot the graphs of velocity and position versus time.
For Problems 1 and 2, use the following formula to describe the magnitude of a drag force: 1 D = — -CA pv² 2 FD Problem 1: When a car is traveling at a speed of 30 km/h, it experiences a drag force of magnitude F. If the car increases its speed to 40 km/h, what then will be the drag force it experiences? Assume the drag force is proportional to the square of speed.
Two muscles in the back of the leg pull upward on the Achilles tendon, as shown in the figure. (These muscles are called the medial and lateral heads of the gastrocnemius muscle.) Find the magnitude, in newtons, of the total force on the Achilles tendon.
A contestant in a winter sports contest pulls a 47 kg brick of ice 25 degrees in the positive horizontal direction with a rope over his shoulders over a frozen lake. Assume the coefficients of static and kinetic friction are µs=0.1 and µk=0.03. 1. Calculate the minimum force F he must exert to get the brick sliding in newtons. 2. What is its acceleration in m/s2 once it starts to move, if that force is maintained?