Which of the following is TRUE of a body in equilibrium. I. The sum of the forces in one direction is equal to the sum of the forces in the opposite direction II. The sum of the clockwise forces is equal to the sum of the anticlockwise forces III. The sum of the clockwise moments is equal to the sum of the anticlockwise moments a) I only b) II only c) I and III only d) I, II and III
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The motor m applies a time-varying force of f (200 t) n, where t is in seconds. box b with mass 200 kg starts from rest, and the coefficients of kinetic and static friction are 0.2 and us 0.3 the acceleration due to gravity is g 9.8 m/s2 b 300 a) find the time ' when the box starts to move. b) calculate the speed of the crate at 3 s c) calculate the power delivered by the motor at t 3 s
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Consider an ideal gas at 27.0 degrees celsius and 1.00 atmosphere pressure. imagine the molecules to be uniformly spaced, with each molecule at the center of a small cube. what is the length l of an edge of each small cube if adjacent cubes touch but don't overlap?
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Which of the following is TRUE of a body in equilibrium. I. The sum of the forces in one direction i...
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