Recent content by Sculter

Thanky you very much! Your really helped me

oh, great now i know why, i didn't realize it, thank you but how do i find the angle?

problem like: *calculate the force acting on an object if the work done to move it a distance 50m equal 2500J and if the angle between the force and the perpendicular to motion is 30 the answer: w=fd cosθ , F=2500/50xcos60 = 100N *a man of mass 70kg. goes upstaris of lenth 50m. calculate the...

W=F.d cos Ɵ, in a problem Ɵ=30, but in the solution he used Ɵ=60, and vice versa in other problems, can anyone explain why?