Question

Assertion (A): Force is required to move a body uniformly along a circle.

Reason (R): When the motion is uniform, acceleration is zero.
(a) Both (A) and (R) are true and (R) is correct explanation of the assertion.

(b) Both (A) and (R) are true but (R) is not the correct explanation of the assertion.

(c) (A) is true but (R) is false.

(d) (A) is false but (R) is true​

Answer 1

both a and r are true but it is not correct explanation of assertion

Answer 2

Explanation:

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9

16

x -

3

9

} + { 9

16

x

4

12

}