A ball of mass one KG thrown upward reaches a maximum height of 4 m calculate the work done by the force of gravity during the vertical displacement
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Given;
- m = 1kg
- h = 4m
- g = 9.8 m/s²
Therefore ;
- work done by gravitational force = gravitational potential energy (GE)
- GE = m×g×h
- GE = 1 × 4 × 9.8
- GE = 4 × 9.8
- Thus GE = 38.2 Joules
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