40 Answered Questions for the topic Friction

07/30/17

Energy lost to heat
In an attempt for a physics teacher to explain the conservation of energy to a student, the teacher goes down a 6.0 m high sliding board. At the bottom, he only travels 7.0 m/s. If the mass of the... more
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Friction

04/15/17

Car rolling down a 55.0m hill. Changes elevation by 1.00m every 4.00m traveled. What is velocity at bottom of hill if coefficient of friction is 0.10?
Significant Figures Apply Detailed Calculations Labeled Steps Simple Minded Man
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Friction

10/05/16

Friction questions/what will happen to the coefficient of friction between the sofa and the door room floor if the students roomate sits on the sofa while he tr
what will happen to the coefficient of friction between the sofa and the door room floor if the students roomate sits on the sofa while he tries to slide it
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05/07/16

What is his acceleration down the hill?
Duane has a mass of 73 kg and slides down an icy hill on a sled. The hill has an angle of 15 degrees and there is no friction.    I know that acceleration is the change in velocity/ time but it... more
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Friction Physics Speed Force

04/14/16

Physics question
Science question: If the car is started on a zero friction surface and zero air resistance but force of gravity acting upon it, Will it continue to travel at a constant speed even when engine is... more
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Friction

11/18/15

if 1/2 was written as a friction with a denominator of 100 would the result be the same
 I would like help with the question I just asked
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Friction Math Science Physics

07/18/15

Physics: Multiple Choice:
Because of friction pendulum clocks need a small driving force, if accidentally it was too large of a driving force and caused a bit too large of an angle of oscillation to be formed what would... more
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10/04/14

Inclined plane, physics question. Help is very much appreciated.
A 100N Box (initially at rest) is pushed 10.0m, up a rough ramp by a horizontal applied force of 150N. The ramp is inclined at an angle of 30 degreees and the coefficient of kinetic friction... more
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Friction Physics

09/29/14

Physics help
What coefficient of friction is needed to stop a hockey puck sliding at 12.5 m/s initially over a distance of 60.5 meters?
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Friction Physics

02/18/13

forces physics problem - Please Help ASAP
A block of mass m1 is attached to a cord of length L1, which is fixed at one end. The block moves in a horizontal circle on a frictionless tabletop. A second block of mass m2 is attached to the... more
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Friction Physics Forces

02/18/13

forces problem - Please Help ASAP
The coefficient of static friction between a rubber tire and the road surface is 0.85. What is the maximum acceleration of a 1042-kg four-wheel-drive truck if the road makes an angle of 12.7° with... more
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Friction Physics Forces

02/18/13

forces problem - Please Help ASAP
An automobile is going up a grade of 15° at a speed of 25.5 m/s. The coefficient of static friction between the tires and the road is 0.70.(a) What minimum distance does it take to stop the... more
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Friction Physics Forces

02/18/13

forces problem - Please Help ASAP
A rear-wheel-drive car supports 48% of its weight on its two drive wheels and has a coefficient of static friction of 0.60.(a) What is the vehicle's maximum acceleration?(b) What is the shortest... more
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Friction Physics Forces

02/18/13

Forces problem - Please Help ASAP
In the figure below, m1 = 3.2 kg, m2 = 5.8 kg, and the coefficient of kinetic friction between the inclined plane and the 3.2-kg block is μk = 0.25. Find the magnitude of the acceleration of the... more
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Friction Physics Forces

02/18/13

Forces problem - Please Help ASAP
You are racing in a rally on a snowy day when the temperature is near the freezing point. The coefficient of static friction between a car's tires and an icy road is 0.170. Your crew boss is... more
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