Question

A force of F=3i+12j+2k N acting on a particle causes a displacement S=-4i+2j-3k Then find work done​

Answer 1

Answer:

W=

F

⋅

S

=6

F

=3

i

^

+c

j

^

+2

k

^

S

=−4

i

^

+2

j

^

−3

k

^

⇒3×(−4)+2c+2×(−3)=6

⇒2c=24

⇒c=12