A uniform force of (2iˆ+ ˆj) N acts on a particle of mass 1 kg. The particle displaces from position (3 ˆj + ˆk ) m to (5iˆ­+3ˆj) m. The work done by the force on the particle is
A. 9 J
B. 6 J
C. 10 J
D. 12 J
Answer:C
A uniform force of (2iˆ+ ˆj) N acts on a particle of mass 1 kg. The particle displaces from position (3 ˆj + ˆk ) m to (5iˆ­+3ˆj) m. The work done by the force on the particle is
A. 9 J B. 6 J C. 10 J D. 12 J