A 100 kg block of ice slides down an incline that is 5m long and 3m tall. Someone pushes up on the block so that it slides down at a constant speed. The coefficient of friction between the ice and the incline is 0.1. What is the force exerted by the person? What is the work done by gravity? What is the work done by friction?

A 100 kg block of ice slides down an incline that is 5m long and 3m tall. Someone pushes up on the block so that it slides down at a constant speed. The coefficient of friction between the ice and the incline is 0.1. What is the force exerted by the person? What is the work done by gravity? What is the work done by friction?

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What is the force exerted by the person?
What is the work done by gravity?
What is the work done by friction?

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