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mixas84 [53]
3 years ago
12

When you sit in a chair, your body exerts a downward force on the chair. What

Physics
2 answers:
Ahat [919]3 years ago
7 0

I feel like the answer would be B. The chair pushes down on the floor becuase the question says when you sit in a chair, your body exerts a downward force on the chair so it would be pushing downward meaning that the chair would also go down making it push onto the floor.

Rufina [12.5K]3 years ago
6 0

Answer D

Explanation:just did it on apex

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A wheel of diameter 78 cm has an axle of diameter 14.8 cm. A force 150 N is exerted along the rim of the wheel.What force should
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Answer:

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Explanation:

given,

diameter of wheel = 78 cm

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Net momentum about the center of mass should be zero

now,

Moment of about center due to 150 N = moment about center due to F on axle

50\times \dfrac{78}{2}=F\times \dfrac{14.8}{2}

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Hence, Force exerted outside of the axle in order to prevent the wheel from rotating is equal to 263.51 N.

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