Question

Problem 3 A chair of mass 15 kg is sitting on the horizontal floor; the floor is not frictionless. You push on the chair with a force F = 30 N that is directed at an angle of 40\textdegree below the horizontal so that the chair slides at a constant velocity along the floor. (20 pts) a) Draw a free body diagram with appropriately labeled forces. b) What are the two components of the pushing force? c) What is the magnitude of the normal force? d) What is the magnitude of the friction force? e) Determine the coefficient of kinetic friction.

          Problem 3
A chair of mass 15 kg is sitting on the horizontal floor; the floor is not frictionless. You push on the chair
with a force F = 30 N that is directed at an angle of 40\textdegree below the horizontal so that the chair slides at a
constant velocity along the floor. (20 pts)
a) Draw a free body diagram with appropriately labeled forces.
b) What are the two components of the pushing force?
c) What is the magnitude of the normal force?
d) What is the magnitude of the friction force?
e) Determine the coefficient of kinetic friction.

Problem 3
A chair of mass 15 kg is sitting on the horizontal floor; the floor is not frictionless. You push on the chair
with a force F = 30 N that is directed at an angle of 40°below the horizontal so that the chair slides at a
constant velocity along the floor. (20 pts)
a) Draw a free body diagram with appropriately labeled forces.
b) What are the two components of the pushing force?
c) What is the magnitude of the normal force?
d) What is the magnitude of the friction force?
e) Determine the coefficient of kinetic friction.

Added by Jennifer H.

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