Calculate: Block's Kinetic Energy, Work by Forces, & Gravity

[Sportsman4920]

A 5.4 kg block is pushed 3.0 m up a rough 37° inclined plane by a horizontal force of 75 N. If the initial speed of the block is 2.2 m/s up the plane and a constant kinetic friction force of 25 N opposes the motion, *calculate the following.
(a) the initial kinetic energy of the block
J
(b) the work done by the 75 N force
J
(c) the work done by the friction force
J
(d) the work done by gravity
J
(e) the work done by the normal force
J
(f) the final kinetic energy of the block
J
HELP!, please

 

[stunner5000pt]

what have u done to answer them yourself?

 

[BishopUser]

$$W = |F||D|cos\theta$$ theta being the angle between force and displacement vectors. That should take care of the first 5. The last one looks like $$W_{net} = \Delta KE$$

 

[Sportsman4920]

thank you

 

[bosox3790]

I tried to use the formula but I can't get the right answer.

 

[bosox3790]

how would you do part be on this question?

 

[BishopUser]

In part B the force is 75N the distance is 3m and the angle between them is 37 degrees, so using the formula the work should be 180 N*m

 

[Sportsman4920]

Thanks, now I'm trying to find the work done by friction. so I did W=25N*5.2(distance)*cos(theta but it didn't work