Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Physics Work Power and Energy Work
In which of the following examples, work done is negative?
1
Work done by the force of gravity on a moving aeroplane horizontally
2
Work done by the force of gravity on a ball thrown upwards
3
Work done by the force of gravity on a freely falling object
4
More than one of the above
5
None of the above