Physics · 2023
JEE Main · 6 April 2023, Shift 2 · Q34
A child of mass 5 kg is going round a merry-go-round that makes 1 rotation in 3.14 s. The radius of the merry-go-round is 2 m. The centrifugal force…
A child of mass $\displaystyle 5$ kg is going round a merry-go-round that makes $\displaystyle 1$ rotation in $\displaystyle 3.14$ s . The radius of the merry-go-round is $\displaystyle 2$ m. The centrifugal force on the child will be
Official answer
From NTA’s final answer key for this paper.
(1)
$\displaystyle 40$ N
More from Circular Motion
- A stone tied to 180 cm long string at its end is making 28 revolutions in horizontal circle in every minute. The magnitude of acceleration of stone…2023
- A car is moving with a constant speed of 20 m / s in a circular horizontal track of radius 40 m. A bob is suspended from the roof of the car by a…2023
- A body of m kg slides from rest along the curve of vertical circle from point A to B in friction less path. The velocity of the body at B is: (given,…2024
- A bob of mass ' m ' is suspended by a light string of length ' L '. It is imparted a minimum horizontal velocity at the lowest point A such that it…2024
- A large drum having radius R is spinning around its axis with angular velocity ω, as shown in figure. The minimum value of ω so that a body of mass M…2026
- A train is moving with a speed of 12 m / s on rails which are 1.5 m apart. To negotiate a curve of radius 400 m, the height by which the outer rail…2024
- A car moving with a speed of 54 km / h takes a turn of radius 20 m. A simple pendulum is suspended from the ceiling of the car. Determine the angle…2026
- A body of mass 'm' connected to a massless and unstretchable string goes in verticle circle of radius 'R'under gravity g. The other end of the string…2025
JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.