Homework Help: Physics

Posted by C0C0 on Sunday, October 21, 2012 at 5:50pm.

A 60 kg box is on a 80 m long plane which is inclined at 30 degrees, the coefficient of friction is 0.25. How much force is needed to move it up a plane A.) at a constant velocity and B.) with an acceleration of 2 m/s^2

Physics - bobpursley, Sunday, October 21, 2012 at 5:53pm
net force=m*a

net force up the plane: pushing force-weight down-friction
= F+mgSinTheta-mu*mg*cosTheta

so figure out F, given a=0, or a=2

Answer this Question

Related Questions

PHYSICS - PLEASE HELP - A box of weight w=2.0 N accelerates down a rough plane ...
Physics - a 25 kg box is released from rest on a rough inclined plane tilted at ...
physics - A box of weight 2N accelerates down a rough plane that is inclined at ...
physics - a 25.0kg box is released from rest on a rough inclined plane tilted at...
physics - A box slides down a plane 8 m long that is inclined at an angle of 30 ...
physics - a 100Nforce was applied to pull a 20 kg box up on a rough inclined ...
physics - a 100Nforce was applied to pull a 20 kg box up on a rough inclined ...
AP Physics - Two 10 kilogram boxes are connected by a massless frictionless ...
physics - a 3.0 kg wood box slides from rest down a 30.0 degree inclined plane. ...
Physics - A 50 kg crate is initially at rest on a plane inclined at an angle of...

For Further Reading

First Name:
School Subject:
Answer: