In these two questions, mainly the first i don't understand which formula to used. the ones that i have are W = Fd and W = fdcos* <-- theta..
and in the second question, i don't understand which formula to use either.
Thank you for your help
I need help badly!
1. A bicycle rider pushes a bicycle that has a mass of 13 kg up a steep hill. The incline is 25* and the road is 275 m long. The rider pushes the bike parallel to the road with a force of 25N. How much work is done by the force of gravity on the bike?
2. Your car has...