A cart is pulled 5 m up a ramp under a constant force of 40 N. The ramp is inclined at an angle of 30 degrees. How much work is done pulling the cart up the ramp ?

Question

helpsos · Answer

could you give me the formula for finding work?

helpsos · Answer

i did this in grade 8 and don't exactly remember :P

anonymous · Answer

:O this is a grade 12 calculus question ! @helpsos

anonymous · Answer

work = force over a distance

W = F*Dx

F = 40N

|dw:1362369200410:dw|

find the x component of the distance he travels. this is Dx.

then just plug it into the work equation.