How much work is required to lift a 2.9-kg concrete block to a height of 2.0 m? J

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Answer 1

Simply use the formula W=F x D where F = force ,Since weight is given in kg multiply this by weight given in kg by acceleration due to gravity.

i.e 9.8m/sec^2

2.9 x 9.8 =28.42N

W= 28.42 x 2

56.84J