A mover pushes a couch a distance of 4 m to the top of a ramp into the back of a truck using 500 N of force. A) What is the work input of the mover? B) What is the movers power if the task takes 10s? C) If the mass of the couch is 100 kg and the back of the truck is 1.5 ...
November 6, 2011