Question

12. Force F on a particle moving in a straight line varies with distance d as shown in the figure. The work done on the particle during its displacement of 12 m?
(a) 13J
(b) 18J
(c) 21J
d) 26J​

Answer 1

Answer:

18J

Explanation:

wd=∫F.dx

which is area under F−d curve

Area =wd=2×6+

2

1

×2×6

=12+6

=18J