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UPSC Prelims 1990Question 117Science & Technology

Assertion (A): When a wheel is in motion, a point (on the rim) which is farthest away from the ground will have the highest speed while the point (on the rim) closest to the ground will have the lowest speed. Reason (R): The speed of the point on the rim in the direction of motion and along the circumference of the wheel are additive.

Options

  1. (a)Both A and R are true and R is the correct explanation of A.
  2. (b)Both A and R are true but R is nota correct explanation of A.
  3. (c)A is true but R is false.
  4. (d)A is false but R is true.

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