Question

Work done by a force=(3i+2j)n in displacing a particle from (1m,1m)to(2m,2m) is

Answer 1

Answer:

w= 5J

Explanation:

work done =force . displacement cos theta

force = 3i+ 2j

displacement = 2-1,2-1( that is displacement some what equal to 1)

= 1i+ 1j

therefore by doing dot product

work done is

= 3×1+2×1

=3+2

w =5 J