Question

A body of mass 5 kg is placed at the origin,
and can move only on the x-axis. A force of 10
N is acting on it in a direction making an angle
of 60° with the x-axis and displaces it along
the x-axis by 4 metres. The work done by the
force is
1. 2.5 J
2. 7.25 J
3. 40 J
24. 20 J​

Answer 1

Answer:

w= Fs cos theta..

w= 10.4.cos60°

w=10.4.1/2

w=20 J.....