https://ejercicios-fyq.com/Force-a-man-must-exert-to-pull-a-sled-8334 A man pulls a sled up a ramp using a rope attached to the front, as illustrated in the figure. The sled has a mass of 80 kg. The kinetic friction coefficient between the sled and the ramp is (), the angle between the ramp and the horizontal is , and the angle between the rope and the ramp is . What force must the man exert to keep the sled moving at a constant speed? es SPIP - www.spip.net