a force of 5N acts on a 15kg boy initially at rest. the work done by the force during the first second of motion is
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Force = 5N , Mass = 15kg
Acceleration = 5/15 = 1/3 m/s²
Displacement = 0.5*a*t²
displacement = 1/6 m
Work = Force × Displacement
Work = 5 * (1/6)
work = 5/6 J
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