Question

A lawn roller is pulled by an ox by a force of 1000kg such that handle of the roller makes an angle of 60* with horizontal . how much work is done in moving the roller 75 ​

Answer 1

Answer:

3750 J

Explanation:

m = 1000 kg

F = 1000 kgf = 100 N

S = 75 m

cos 60° = 1 / 2

Work done = F S cos 60° = 100 × 75 × 1 / 2

= 3750 J

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