Guy has to get a piano onto a 2.4 m high platform. He can use a 3.0 m long frictionless ramp or a 4.0 m long frictionless ramp. Which ramp will Guy use if he wants to do the least amount of work?
Either ramp as the work done is same in both cases.
The shorter ramp will require less work.
The longer ramp will require less work.
1 answer
Either ramp as the work done is same in both cases.
1 answer