Friction is 0. 400, and the crate is pulled 4. 96 m.
(a) How much work is done by the gravitational force on the crate? 1
(b) Determine the increase in internal energy of the crate-incline system owing to friction.
(c) How much work is done by the 102−N force on the crate?
(d) What is the change in kinetic energy of the crate?
(e) What is the speed of the crate after being pulled 4. 96 m ? m/s