Question

2. A body of mass 10 kg is dropped to the ground from a height
of 10 metres. The work done by the gravitational force is
(g=9.8 m/sec2)
(A) -490 Joules
(B) +490 Joules
(C) -980 Joules
(D)+980 Joules​

Answer 1

Answer:

(D) 980 Joules is your answer

Explanation:

W=F.s

=98*10

=980 J.

+ve sign because work is done in the same direction of force acting on object.

Mark it as brainliest.

Answer 2

Option D) +980 joules

Explanation:

Mass=10 kg

Height= 10 m

g= 9.8 m/s

i.e., Work Done= m×g×h

=10×9.8×10

=980 joules(Ans)

(Note:- When you are writing the full form of joules write it with short j.....and when you are writing in S.I. form write it with Capital J)