MHT CET 2025 22nd April Evening Shift | Circular Motion Question 4 | Physics

A car is driven on the banked road of radius of curvature 20 m with maximum safe speed. In order to increase its safety speed by $20 \%$, without changing the angle of banking, the increase in the radius of curvature will be [Assume friction is same on the road]

28.8 m

14.4 m

8.8 m

4.8 m

MHT CET 2025 22nd April Morning Shift

MCQ (Single Correct Answer)

-0

A vehicle is moving with uniform speed along 3 different shaped roads as horizontal, concave and convex. The surface of road on which, the normal reaction on vehicle is maximum is

convex

concave

horizontal

same on all the 3 surface

MHT CET 2025 22nd April Morning Shift

MCQ (Single Correct Answer)

-0

A vehicle is moving with a constant speed of $10 \mathrm{~m} / \mathrm{s}$ in a circular horizontal track of radius 20 m . A bob is suspended from the roof of a vehicle by a massless string. The angle made by the string with the vertical will be (acceleration due to gravity, $\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^2$ )

$\tan ^{-1}(0.5)$

$\tan ^{-1}(0.6)$

$\tan ^{-1}(0.7)$

$\tan ^{-1}(0.8)$

MHT CET 2025 22nd April Morning Shift

MCQ (Single Correct Answer)

-0

A body of mass 100 gram is tied to a spring of spring constant $8 \mathrm{~N} / \mathrm{m}$, while the other end of a spring is fixed. If the body moves in a circular path on smooth horizontal surface with constant angular speed $8 \mathrm{rad} / \mathrm{s}$ then the ratio of extension in the spring to its natured length will be

$1: 1$

$8: 1$

$2: 1$

$4: 1$

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