A ramp has mechanical efficiency of 78%.a box on the ramp is pulled 5m and 400n what is input force

Question

A ramp has mechanical efficiency of 78%.a box on the ramp is pulled 5m and 400n what is  input force

Answer

Mechanical efficiency for a ramp is not defined until you explain how you calculate it. That's because it depends on friction, and friction is not constant.

A ramp has mechanical efficiency of 78%.a box on the ramp is pulled 5m and 400n what is input force

Answers (1)