ICSE Class 10 Answered
How far must a 250 kg pile driver fall if it is to be capable of doing 12700 J of work?
Asked by snehalburud22.10spicertl | 11 Jun, 2020, 15:26: PM
Work done = Force × dispacement
W = Fs ... (1)
W =12700 J ... (Given)
F = mg = 250 × 9.8 = 2450 N
s - distance at which the pile driver will fall
Thus,
12700 = 2450 × s
s = 5.18 m
Answered by Shiwani Sawant | 11 Jun, 2020, 20:26: PM
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