A worker uses a pulley system to raise a 24.0 kg carton 16.5 m. A force of 129 N is exerted and the rope is pulled 33.0 m. What is the efficiency of the system?

A51 kg woman skis down a hill and her kinetic energy is 9.96e4 j. what is her speed?

What is the magnitude of the gravitational force acting on the earth due to the sun?

Part of a control linkage for an airplane consists of a rigid member cb and a flexible cable ab. if a force is applied to the end b of the member and causes it to rotate by θ = 0.5°, determine the normal strain in the cable. originally the cable is unstretched.