Question #6426340Single Choice

Physics

Question

A 10 kg sled is pulled by a force of 40N at an angle of 37° to the horizontal on a rough surface with a coefficient of kinetic friction of 0.2. The sled moves 8 m. Calculate the work done by the net force. (Take g=10 m/s2, sin37° = 0.6, cos37° = 0.8)

Options

A
    121.6 J
B
    134.4 J
C
    320 J
D
    256 J

Answer & Analysis