Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Physics Gravity
A 2-kg object falls from a height of 20 m to the ground. The work done by the force of gravity will be _____. (Take g = 10 m/s2)
1
10 J
2
400 J
3
40 J
4
More than one of the above
5
None of the above