an object of weight 900 kg is moving with a speed of 25m/s and displacement produced is 40 m . find the work done and the force acting on the object

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Solution

$K . E = \frac{1}{2} m v^{2} K . E . = W = \frac{1}{2} \times 900 \times 25^{2} = 281250 J W = F . s 281250 J = F \times 40 F = 7031.25 N$

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an object of weight 900 kg is moving with a speed of 25m/s and displacement produced is 40 m . find the work done and the force acting on the object

K.E = 12mv2K.E. = W =12×900×252 = 281250 JW = F.s 281250 J = F ×40F = 7031.25 N

$K . E = \frac{1}{2} m v^{2} K . E . = W = \frac{1}{2} \times 900 \times 25^{2} = 281250 J W = F . s 281250 J = F \times 40 F = 7031.25 N$