Fundamentals of Physics Extended
10th Edition
ISBN: 9781118230725
Author: David Halliday, Robert Resnick, Jearl Walker
Publisher: Wiley, John & Sons, Incorporated
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Textbook Question
Chapter 6, Problem 50P
An 85.0 kg passenger is made to move along a circular path of radius r = 3.50 m in uniform circular motion. (a) Figure 6-40a is a plot of the required magnitude F of the net
Figure 6-40 Problem 50.
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A roller-coaster car has a mass of 1000 kg when fully loaded with passengers. As the car passes over the top of a circular hill of radius
23 m, its speed is not changing. (a) At the top of the hill, what is the normal force (using the negative sign for the downward direction)
FN on the car from the track if the car's speed is v = 7.8 m/s? (b) What is FN if v = 20 m/s? Use g=9.81 m/s?.
(a) Number
!
Units
(b) Number
i
Units
A roller-coaster car at an amusement park has a mass of 1200 kg when fully loaded with passengers. As the car passes over the top of a circular hill of radius 18 m, assume that its speed is not changing. At the top of the hill, what are the (a) magnitude FN and (b) direction (up or down) of the normal force on the car from the track if the car’s speed is v = 11 m/s? What are (c) FN and (d) the direction if v =14 m/s?
The car is fully loaded with passengers and has a total mass of 575 kg. At point A, the car is at the lowest point in a circular arc of radius
r1 = 12.4 m.
At point B, the car is at the highest point of a circular arc of radius
r2 = 17.3 m.
(a)
If the car has a speed of 25.0 m/s at point A, what is the magnitude of the force (in N) of the track on the car at this point?
(b)
What is the maximum speed (in m/s) the car can have at point B in order for the car to maintain contact with the track at all times (that is, so that it does not "jump" off the track)?
Chapter 6 Solutions
Fundamentals of Physics Extended
Ch. 6 - In Fig. 6-12, if the box is stationary and the...Ch. 6 - Prob. 2QCh. 6 - In Fig. 6-13, horizontal force F1 of magnitude 10...Ch. 6 - In three experiments, three different horizontal...Ch. 6 - If you press an apple crate against a wall so hard...Ch. 6 - In Fig. 6-14, a block of mass m is held stationary...Ch. 6 - Reconsider Question 6 but with the force F now...Ch. 6 - In Fig. 6-15, a horizontal force of 100 N is to be...Ch. 6 - Prob. 9QCh. 6 - Prob. 10Q
Ch. 6 - A person riding a Ferris wheel moves through...Ch. 6 - During a routine flight in 1956, test pilot Tom...Ch. 6 - A box is on a ramp that is at angle to the...Ch. 6 - The floor of a railroad flatcar is loaded with...Ch. 6 - In a pickup game of dorm shuffleboard, students...Ch. 6 - SSM WWW A bedroom bureau with a mass of 45 kg,...Ch. 6 - A slide-loving pig slides down a certain 35 slide...Ch. 6 - GO A 2.5 kg block is initially at rest on a...Ch. 6 - A baseball player with mass m 79 kg, sliding into...Ch. 6 - SSM ILW A person pushes horizontally with a force...Ch. 6 - The mysterious sliding stones. Along the remote...Ch. 6 - GO A 3.5 kg block is pushed along a horizontal...Ch. 6 - Figure 6-20 shows an initially stationary block of...Ch. 6 - SSM A 68 kg crate is dragged across a floor by...Ch. 6 - In about 1915, Henry Sincosky of Philadelphia...Ch. 6 - A worker pushes horizontally on a 35 kg crate with...Ch. 6 - Figure 6-22 shows the cross section of a road cut...Ch. 6 - The coefficient of static friction between Teflon...Ch. 6 - A loaded penguin sled weighing 80 N rests on a...Ch. 6 - In Fig. 6-24, a force P acts on a block weighing...Ch. 6 - GO You testify as an expert witness in a case...Ch. 6 - A 12 N horizontal force F pushes a block weighing...Ch. 6 - GO In Fig. 6-27, a box of Cheerios mass mC = 1.0...Ch. 6 - An initially stationary box of sand is to be...Ch. 6 - GO In Fig. 6-23, a sled is held on an inclined...Ch. 6 - When the three blocks in Fig. 6-29 are released...Ch. 6 - A 4.10 kg block is pushed along a floor by a...Ch. 6 - SSM WWW Block B in Fig. 6-31 weighs 711 N. The...Ch. 6 - GO Figure 6-32 shows three crates being pushed...Ch. 6 - GO Body A in Fig. 6-33 weighs 102 N, and body B...Ch. 6 - In Fig. 6-33, two blocks are connected over a...Ch. 6 - GO In Fig. 6-34, blocks A and B have weights of 44...Ch. 6 - A toy chest and its contents have a combined...Ch. 6 - SSM Two blocks, of weights 3.6 N and 7.2 N, are...Ch. 6 - GO A block is pushed across a floor by a constant...Ch. 6 - SSM A 1000 kg boat is traveling at 90 km/h when...Ch. 6 - GO In Fig. 6-37, a slab of mass m1= 40 kg rests on...Ch. 6 - ILW The two blocks m = 16 kg and M = 88 kg in Fig....Ch. 6 - The terminal speed of a sky diver is 160 km/h in...Ch. 6 - Continuation of Problem 8. Now assume that Eq....Ch. 6 - Assume Eq. 6-14 gives the drag force on a pilot...Ch. 6 - Calculate the ratio of the drag force on a jet...Ch. 6 - In downhill speed skiing a skier is retarded by...Ch. 6 - A cat dozes on a stationary merry-go-round in an...Ch. 6 - Suppose the coefficient of static friction between...Ch. 6 - ILW What is the smallest radius of an unbanked...Ch. 6 - During an Olympic bobsled run, the Jamaican team...Ch. 6 - SSM ILW A student of weight 667 N rides a steadily...Ch. 6 - A police officer in hot pursuit drives her car...Ch. 6 - A circular-motion addict of mass 80 kg rides a...Ch. 6 - A roller-coaster car at an amusement park has a...Ch. 6 - GO In Fig. 6-39, a car is driven at constant speed...Ch. 6 - An 85.0 kg passenger is made to move along a...Ch. 6 - SSM WWW An airplane is flying in a horizontal...Ch. 6 - An amusement park ride consists of a car moving in...Ch. 6 - An old streetcar rounds a flat corner of radius...Ch. 6 - In designing circular rides for amusement parks,...Ch. 6 - A bolt is threaded onto one end of a thin...Ch. 6 - GO A banked circular highway curve is designed for...Ch. 6 - GO A puck of mass m = 1.50 kg slides in a circle...Ch. 6 - Brake or turn? Figure 6- 44 depicts an overhead...Ch. 6 - SSM ILW In Fig. 6-45, a 1.34 kg ball is connected...Ch. 6 - GO In Fig. 6-46, a box of ant aunts total mass m1...Ch. 6 - SSM A block of mass mt = 4.0 kg is put on top of a...Ch. 6 - A 5.00 kg stone is rubbed across the horizontal...Ch. 6 - In Fig. 6-49, a 49 kg rock climber is climbing a...Ch. 6 - A high-speed railway car goes around a flat,...Ch. 6 - Continuation of Problems 8 and 37. Another...Ch. 6 - GO In Fig. 6-50, block 1 of mass m1 = 2.0 kg and...Ch. 6 - In Fig. 6-51, a crate slides down an inclined...Ch. 6 - Engineering a highway curve. If a car goes through...Ch. 6 - A student, crazed by final exams, uses a force P...Ch. 6 - GO Figure 6-53 shows a conical pendulum, in which...Ch. 6 - An 8.00 kg block of steel is at rest on a...Ch. 6 - A box of canned goods slides down a ramp from...Ch. 6 - In Fig. 6-54, the coefficient of kinetic friction...Ch. 6 - A 110 g hockey puck sent sliding over ice is...Ch. 6 - A locomotive accelerates a 25-car train along a...Ch. 6 - A house is built on the top of a hill with a...Ch. 6 - What is the terminal speed of a 6.00 kg spherical...Ch. 6 - A student wants to determine the coefficients of...Ch. 6 - SSM Block A in Fig. 6-56 has mass mA = 4.0 kg, and...Ch. 6 - Calculate the magnitude of the drag force on a...Ch. 6 - SSM A bicyclist travels in a circle of radius 25.0...Ch. 6 - In Fig. 6-57, a stuntman drives a car without...Ch. 6 - You must push a crate across a floor to a docking...Ch. 6 - In Fig. 6-58, force F is applied to a crate of...Ch. 6 - In the early afternoon, a car is parked on a...Ch. 6 - A sling-thrower puts a stone 0.250 kg in the...Ch. 6 - SSM A car weighing 10.7 kN and traveling at 13.4...Ch. 6 - In Fig. 6-59, block 1 of mass m1 = 2.0 kg and...Ch. 6 - SSM A filing cabinet weighing 556 N rests on the...Ch. 6 - In Fig. 6-60, a block weighing 22 N is held at...Ch. 6 - Prob. 91PCh. 6 - A circular curve of highway is designed for...Ch. 6 - A 1.5 kg box is initially at rest on a horizontal...Ch. 6 - A child weighing 140 N sits at rest at the top of...Ch. 6 - In Fig. 6-61 a fastidious worker pushes directly...Ch. 6 - A child places a picnic basket on the outer rim of...Ch. 6 - SSM A warehouse worker exerts a constant...Ch. 6 - In Fig. 6-62, a 5.0 kg block is sent sliding up a...Ch. 6 - An 11 kg block of steel is at rest on a horizontal...Ch. 6 - A ski that is placed on snow will stick to the...Ch. 6 - Playing near a road construction site, a child...Ch. 6 - A 100 N force, directed at an angle above a...Ch. 6 - A certain string can withstand a maximum tension...Ch. 6 - A four-person bobsled total mass = 630 kg comes...Ch. 6 - As a 40 N block slides down a plane that is...
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