Question

Determine the displacement of 20cm to the right following 30cm to the right

Answer 1

Answer:

Correct option is

A

θ=60

o

Work done,

W=

F

.

S

=FScosθ

cosθ=

10×20×10

−2

1

=

2

1

θ=cos

−1

(

2

1

)=60°