A body of mass 3 kg is under a force which causes a displacement in it, given by s is equals to t square by 3 (in meters). find the work done by the force in 2 seconds
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Answer:
S = 1/3 t²
Velocity: v = ds/dt = 2/3 t
Acceleration: a = dv/dt = 2/3 m/s²
Force = ma = 3×2/3 = 2N
Work = force × displacement
W = F s = 2 × 1/3 t² = 2×2²/3 = 8/3 joule
Explanation:
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