Question: Jason slides a large crate down a ramp from a truck to the ground. To control the crate and keep it sliding at constant speed,

Jason slides a large crate down a ramp from a truck to the ground. To control the crate and keep it sliding at constant speed, Jason backs down the ramp in front of the crate while pushing upward on it. During its trip to the bottom, is the thermal energy created in the ramp and the crate greater than, less than, or equal to the crate's loss of gravitational potential energy? Explain.

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