Work done = m × g × h = 100 kg × 9.8 m/s^2 × 5 m = 4900 J
Kinetic energy is the energy of motion. An object possesses kinetic energy when it is moving. The kinetic energy (KE) of an object is given by the equation: Work done = m × g × h = 100 kg × 9
Then, calculate the efficiency:
W = F × s