An 82.9 N box of clothes is pulled 28.2 m up
a 20.7◦
ramp by a force of 117 N that points
along the ramp.
The acceleration of gravity is 9.81 m/s^2.
If the coefficient of kinetic friction between the box and ramp is 0.29, calculate the change
in the box’s kinetic energy.
Answer in units of J
1 answer