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16-01-2024
Physics

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1) A plank of wood is placed over a set of steps to be used as a ramp to lift a 1500 N crate to the top of the steps, 2 meters high. The length of the ramp is 6 meters.

a) What is the IMA, ideal mechanical advantage, of the ramp?

b) Neglecting friction, what force will be used to pull the crate up the steps?

c) If the actual force needed is 1000 N, what is the actual mechanical advantage gained by using the ramp?

d) What is the force of friction?

Answer :

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