A force F = 2x + 3x² N acts on a particle in the x direction. The W.D. by this force during a displacement x = 1m to x = 2m is _______.
A. 20J
B. 15J
C. 5J
D. 10J
Answer:D
A force F = 2x + 3x² N acts on a particle in the x direction. The W.D. by this force during a displacement x = 1m to x = 2m is _______.
A. 20J B. 15J C. 5J D. 10J