Why is it easier to walk on a carpeted floor than on a smooth, polished floor. a) In your response include a comparison between the static and kinetic coefficients of friction for the carpet and the polished floor? b) Which do you expect to have a greater value and why?

Q: Of the following statements, indicate on the line whether they are true (T) or false (F): ___ The…

A: Given  Let the friction force between two surface is given as F,  Let m be the mass of object , and…

Q: The 121-lb force P is applied to the 250-lb crate, which is stationary before the force is applied.…

A:

Q: object is situated at rest on a horizontal surface with a static friction coefficient of 0.33.…

A: Static friction fs = uN

Q: A coin is placed on an a rough horizontal surface. The surface is gradually inclined, and it is…

A: Draw the free-body diagram of the coin.

Q: A ski that is placed on snow will stick to the snow. However, when the ski is moved along the snow,…

A: The equation of motion is given by,

Q: An early submersible craft for deep-sea exploration was raised and lowered by a cable from a ship.…

A: Tension in cable when craft is stationary T=6500 NDrag force due to water FD= 1800 N

Q: Determine the magnitude of the force P if the kinetic friction coefficient is 0.2 between the crate…

A: Given,coefficient of kinetic friction,μ=0.2mass, m=50 kgfinal speed, v=10 m/stime, t=10 sto find,…

Q: Which statement about kinetic friction and static friction is true? The force of kinetic friction…

A: When the object is at rest than the static friction works. As the motion of the object starts than…

Q: The 137-lb force P is applied to the 240-lb crate, which is stationary before the force is applied.…

A: Given, 137-lb force P is applied to the 240-lb crate. μs = 0.51 and μk = 0.39 Static friction = μsN…

Q: You are driving a car at a constant speed of 14.0 m/s along a straight level road. As you approach…

A: The initial velocity of the car is u = 14 m/s. The final velocity of the car is v = 0 m/s. The…

Q: A box with a weight of 10N is at rest on a flat level surface. The coefficient of static friction…

A:

Q: Biologists have estimated the drag coefficient of a swimming penguin by observing the rate at which…

A: m=Mass of penguin=4.8 kga=Acceleration=−0.52 m/s2v=Velocity=1.6 m/sA=Area=0.2 m2ρ=Density of…

Q: Many birds can attain very high speeds when diving. Using radar, scientists measured the altitude of…

A: Given: The vertical distance of the dive is 208 m. The time taken is 3.0 s. The mass of the swallow…

Q: A 78 kg crate rests on a rough horizontal surface. The coefficient of static friction and…

A: First of all we need to calculate the limiting friction force. Now if the applied force is greater…

Q: A box is initially sliding up a 32.5 ̊ incline at a speed of 13.0 m/s. The coefficients of friction…

A: a) Acceleration of the box sliding up the incline is ma=μkmgcosθ+mgsinθa=μkgcosθ+gsinθ Substitute…

Q: You probably think of wet surfaces as being slippery. Surprisingly, the opposite is true for human…

A:

Q: box of bananas weighing 40.0 NN rests on a horizontal surface. The coefficient of static friction…

A: If the box it as rest then there is no external applied force. Therefore applying the concept of…

Q: The 118-lb force P is applied to the 250-lb crate, which is stationary before the force is applied.…

A:

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: