A child holds a sled on a frictionless, snow- covered hill, inclined at an angle of 26◦.If the sled weighs 77 N, find the force exerted on the rope by the child

sled-frictionless
snow-covered

#1

A child holds a sled on a frictionless, snow- covered hill, inclined at an angle of 26◦.If the sled weighs 77 N, find the force exerted on the rope by the child.

Answer:

The force with which gravity will pull down the sled on incline = m g sin(26) = 77 X .43 = 33.75 N