A 3 kg box rests on a horizontal table. It is attached to a 2 kg box via a pulley. The 2 kg box hangs over the edge of the table. The 2 kg box is 2 meters from the ground. a) What is the minimum coefficient of static friction such that the objects remain at rest. b) If the coefficient of static friction is less than that in part (a) and the coefficient of kinetic friction between the box and the table is 0.30, find the time the 2 kg mass falls the 2 meters to the floor. Assume the system starts from rest.
A 3 kg box rests on a horizontal table. It is attached to a 2 kg box via a pulley. The 2 kg box hangs over the edge of the table. The 2 kg box is 2 meters from the ground. a) What is the minimum coefficient of static friction such that the objects remain at rest. b) If the coefficient of static friction is less than that in part (a) and the coefficient of kinetic friction between the box and the table is 0.30, find the time the 2 kg mass falls the 2 meters to the floor. Assume the system starts from rest.
College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter4: The Laws Of Motion
Section: Chapter Questions
Problem 60AP: (a) What is the minimum force of friction required to hold the system of Figure P4.74 in...
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A 3 kg box rests on a horizontal table. It is attached to a 2 kg box via a pulley. The 2 kg box hangs over the edge of the table. The 2 kg box is 2 meters from the ground.
a) What is the minimum coefficient of static friction such that the objects remain at rest.
b) If the coefficient of static friction is less than that in part (a) and the coefficient of kinetic friction between the box and the table is 0.30, find the time the 2 kg mass falls the 2 meters to the floor. Assume the system starts from rest.
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