Question

i) Why are curved roads banked?
ii) State principle of parallel axes?
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Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

1. To avoid the risk of skidding as well as to reduce the wear and tear of the car tyres, the road surface at a bend is tilted inward, i.e., the outer side of the road is raised above its inner side. This is called banking of road.

2.Statement: The theorem of parallel axis states that the moment of inertia of a body about an axis parallel to axis passing through centre of mass is equal to the sum of the moment of inertia of body about an axis passing through centre of mass and product of mass and square of distance between the two axes.

Explanation:

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