How much work is done on a sled if it is pulled 20 meters by a force of 105N applied to a rope that makes an angle of 50 degrees with the horizontal?

3 answers

what is newtons 3 rd law

give example
Force component in direction of motion = 105 cos 50

Your questions are all the same really.
hi --- If you pull on the sled with x Newtons, the sled pulls back on you with x Newtons
That is Newton 3