Aperson exerts a force of 80 n on a rope that pulls a sled across a very smooth surface. the rope is oriented 37∘ above the horizontal. the sled has a total mass of 46 kg . the sled starts at rest and moves for 10 m. a)-determine the acceleration of the sled. b)-determine the normal force exerted by the surface on the sled. c)-determine the time take to for the sled to move 10m d)-determine the speed of the sled after moving for 10 m.