PYQ Vault
EbooksTutor

Centripetal acceleration or force from radius and rate of revolution

This type of question, asked 3 times: 30 Jan 2023, 13 Apr 2023, 5 Apr 2024. All 3 questions below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    30 Jan 2023

    113
    A stone tied to 180 cm180\text{ }cm long string at its end is making 28 revolutions in horizontal circle in every minute. The magnitude of acceleration of stone is 1936x ms−2\frac{1936}{x}{\text{ }ms}^{- 2}. The value of xx____ (Take π=227\pi =\frac{22}{7} )

  2. Question 2

    13 Apr 2023

    104
    A vehicle of mass 200 kg200\text{ }kg is moving along a levelled curved road of radius 70 m70\text{ }m with angular velocity of 0.2rad/s0.2rad/s. The centripetal force acting on the vehicle is:

    Tap an option to check your answer.

  3. Question 3

    5 Apr 2024

    99
    A man carrying a monkey on his shoulder does cycling smoothly on a circular track of radius 9 m9\text{ }m and completes 120 revolutions in 3 minutes. The magnitude of centripetal acceleration of monkey is (in m/s2m/s^{2} ) :

    Tap an option to check your answer.