railway RRB Technician Grade 1 Mock Test 2024 Physics Work Power and Energy Conservation of Mechanical Energy
Find the work done by the force of gravity during the time a particle of mass 50 gm goes up on being thrown vertically upwards with a speed of 10 m/s.
1
-2.5 J
2
-25 J
3
-3.0 J
4
-2.0 J