What is the minimum force needed to start the box
A 13 kg box must be slid across the floor. If the coefficient of static friction between the box and floor is 0.37, what is the minimum force needed to start the box moving from rest?
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The retarding force due to the fluid is proportional to the square of the velocity of the pendulum. Call the constant of proportionality k. Derive the equations of motion for the pendulum.
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