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Laws of Motion question bank (Physics)

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Q1.

If a road is banked at an angle $\theta$, and the cyclist is leaning inward at an angle $\theta'$ to the vertical, for an ideal turn at the optimum speed, what is the relationship between the angles?

(A)

$\theta' \gt \theta$

(B)

$\theta' \lt \theta$

(C)

$\theta'$ is always $90^\circ$

(D)

$\theta' = \theta$

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Q2.

An elevator is moving vertically up with an acceleration $a$ the force exerted on the floor by a passenger of mass $m$ is

(A)

$m g$

(B)

$m a$

(C)

$m g-m a$

(D)

$m g+m a$

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