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Q.

Calculate the force F that is applied horizontally at the axle of the wheel which is necessary to raise the wheel over the obstacle of height 0.4 m. Radius of wheel is 1 m and mass = 10 kg . F is

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a

100 N

b

66 N

c

167 N

d

133.3 N

answer is D.

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Detailed Solution

Taking moments of forces about point P, we get

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F×0.6=100×0.8 or F=100×0.80.6 =8006N =133.3N

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Calculate the force F that is applied horizontally at the axle of the wheel which is necessary to raise the wheel over the obstacle of height 0.4 m. Radius of wheel is 1 m and mass = 10 kg . F is