Physics Fundamentals
2nd Edition
ISBN: 9780971313453
Author: Vincent P. Coletta
Publisher: PHYSICS CURRICULUM+INSTRUCT.INC.
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Chapter 5, Problem 53P
To determine
To calculate: The minimum value of the coefficient of static friction between the riders and the wall in an amusement park ride, so that the riders don’t slide down the wall during the ride.
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The drawing shows a baggage carousel at an airport. Your suitcase has not slid all the way down the slope and is going around at a
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A Wall of Death is a carnival show featuring a motorcyclist rides along the vertical wall of the cylinder and performs various stunts while doing so. Given that the radius of the cylinder is 7 m and the static coefficient of friction is 0.8, what is the minimum speed in m/s2 that the motorcyclist must do to prevent the motorcycle to slip from the wall?
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Chapter 5 Solutions
Physics Fundamentals
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- The drawing shows a baggage carousel at an airport. Your suitcase has not slid all the way down the slope and is going around at a constant speed on a circle ((r = 8.90 m) as the carousel turns. The coefficient of static friction between the suitcase and the carousel is 0.640, and the angle 0 in the drawing is 5.90°. How much time is required for your suitcase to go around once? Assumme that the static friction between the suitcase and the carousel is at its maximum.arrow_forwardTwo small cylindrical plastic containers with flat bottoms are placed on a turntable that has a smooth flat surface. Canister A is empty; canister B contains lead shot. Each canister is the same distance r from the center. The coefficient of static friction between the canisters and the turntable is ms. When the speed of the turntable is gradually increased,arrow_forwardSomeone is dancing on a revolving dance floor. The floor completes 3 revolutions every 5 minutes and the person is 3.75 m from the center of the dance floor. What is the minimum coefficient of static friction that can exist between the dance floor and the persons shoes?arrow_forward
- A 1000-kg car is picking up speed as it goes around a horizontal curve whose radius is 100 m. The coefficient of static friction between the tires and the road is 0.350. At what speed will the car begin to skid sideways?arrow_forwardcht3 t 9. A ride at an amusement park consists of a rotating cylinder with a radius of 5.00 m. After it reaches a certain speed, the floor drops away, and riders are held to the walls via the force of static friction. The coefficient of static friction between a rider and the wall is 0.400. What is the minimum speed needed to ensure that the rider will not slide down the wall?arrow_forwardIn the Wall of Death carnival attraction, stunt motorcyclists ride around the inside of a large, 10-m-diameter wooden cylinder that has vertical walls. The coefficient of static friction between the riders’ tires and the wall is 0.90. What is the minimum speed at which the motorcyclists can ride without slipping down the wall?arrow_forward
- In an old-fashioned amusement park ride, passengers stand inside a 3.0-m-tall, 5.0-m-diameter hollow steel cylinder with their backs against the wall. The cylinder begins to rotate about a vertical axis. Then the floor on which the passengers are standing suddenly drops away! If all goes well, the passengers will “stick” to the wall and not slide. Clothing has a static coefficient of friction against steel in the range 0.60 to 1.0 and a kinetic coefficient in the range 0.40 to 0.70. What is the minimum rotational frequency, in rpm, for which the ride is safe?arrow_forwardAs you are riding in a 1650-kg car, you approach a N7M.8 hairpin curve in the road whose radius is 50 m. The road- bed is banked inward at an angle of 10° (a) Suppose the road is very icy, so that the coefficient of static friction is essentially zero. What is the maximum speed at which you can go around the curve? (b) Now suppose the road is dry and that the static friction coefficient between the tires and the asphalt road is 0.6. What is the maximum speed at which you can safely go around the curve?arrow_forwardA cat dozes on a stationary merry-go-round in an amusement park, at a radius of 5.4 m from the center of the ride.Then the operator turns on the ride and brings it up to its proper turning rate of one complete rotation every 6.0 s.What is the least coefficient of static friction between the cat and the merry-go-round that will allow the cat to stay in place, without sliding (or the cat clinging with its claws)?arrow_forward
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