a 25kg box is pulled up a ramp 20m long and 3 m high by a constant force of 120 N. The box starts from rest and has a speed of 2m/s at the top.
Find the total work done. Find the change in Kinetic Energy. Find the change in box's potential energy. Find the work done against friction. Find the force of friction bet. the box and ramp. Find the angle of inclination of the ramp.

Question

a 25kg box is pulled up a ramp 20m long and 3 m high by a constant force of 120 N. The box starts from rest and has a speed of 2m/s at the top.
Find the total work done. Find the change in Kinetic Energy. Find the change in box's potential energy. Find the work done against friction. Find the force of friction bet. the box and ramp. Find the angle of inclination of the ramp.

jamesj · Answer

So what's the total work done?  Work = Force.(displacement in direction of force)

jamesj · Answer

@Liafcipe, welcome to OpenStudy.

We're here to help, and you'll find this site most useful if you don't "drop and run": ask a question then don't stay around for the answer.

It works best if you stay and engage in conversation with someone who is helping you.