Teaching Bihar STET Paper 1 (माध्यमिक) Mock Test 2024 Physics Work Power and Energy Conservation of Mechanical Energy
A girl weighing 400 N climbs a vertical ladder. If the value of g be 10 m/s2 the work done by her after climbing 2m will be.
1
2000 J
2
800 J
3
8000 J
4
200 J