Question: a) Two objects are connected together by a string over a frictionless pulley. Mass 1 is 20 kg and sits on a surface that has

a) Two objects are connected together by a string over a frictionless pulley. Mass 1 is 20 kg and sits on a surface that has a coefficient of friction of 0.3. Mass 2 is 15 kg and hangs off the edge of the table. what is the magnitude of acceleration and tension in the string?

b) A 20 kg block is pushed at a constant speed up a frictionless 30 incline by a force applied parallel to the ramp. what amount of applied force(F) is required in order to maintain the block at a constant speed and what is the normal force exerted by the ramp on the block?

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