Saturday
August 23, 2014

Homework Help: Physics

Posted by Robert on Wednesday, March 23, 2011 at 10:06pm.

A 305 kg piano slides 4.0 m down a 30 incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.40.

(a) Calculate the force exerted by the man.
(b) Calculate the work done by the man on the piano.
(c) Calculate the work done by the friction force.
(d) What is the work done by the force of gravity?
(e) What is the net work done on the piano?

Could you explain how to?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

physics - A 290 kg piano slides 4.0 m down a 30 incline and is kept from ...
physics - A 350 piano slides 3.5 down a 33 incline and is kept from accelerating...
Physics 6A - A 330- piano slides 3.8 down a 23 incline and is kept from ...
physics - a 330 kg piano slides 3.6 m down a 28 degree incline and is kept from ...
Physics - a 330 kg piano slides 3.6 m down a 28 degree incline and is kept from ...
physics - A 280 kg piano slides 4.3 m down a 30 incline and is kept from ...
physics - A 380- piano slides 3.8 down a 22 incline and is kept from ...
Physics - A 275 kg piano slides 4.0 m down a 30 incline and is kept from ...
Physics - A 275 kg piano slides 4.0 m down a 30 incline and is kept from ...
PHYSICS - I don't know where to start solving this question. Please help! A 320 ...

Search
Members