1

JEE Main 2021 (Online) 25th February Morning Shift

Numerical

+4

-1

A small bob tied at one end of a thin string of length 1 m is describing a vertical circle so that the maximum and minimum tension in the string are in the ratio 5 : 1. The velocity of the bob at the highest position is ________ m/s. (Take g = 10 m/s

^{2})Your input ____

2

JEE Main 2021 (Online) 24th February Evening Shift

Numerical

+4

-1

A uniform thin bar of mass 6 kg and length 2.4 meter is bent to make an equilateral hexagon. The moment of inertia about an axis passing through the centre of mass and perpendicular to the plane of hexagon is _______ $$\times$$ 10

^{$$-$$1}kg m^{2}.Your input ____

3

JEE Main 2020 (Online) 6th September Evening Slot

Numerical

+4

-0

The centre of mass of solid hemisphere of radius 8 cm is x from the centre of the flat surface. Then
value of x is __________.

Your input ____

4

JEE Main 2020 (Online) 5th September Morning Slot

Numerical

+4

-0

A force $$\overrightarrow F = \left( {\widehat i + 2\widehat j + 3\widehat k} \right)$$ N acts at a point

$$\left( {4\widehat i + 3\widehat j - \widehat k} \right)$$ m. Then the magnitude of torque

about the point $$\left( {\widehat i + 2\widehat j + \widehat k} \right)$$ m will be $$\sqrt x $$ N m.

The value of x is _______.

$$\left( {4\widehat i + 3\widehat j - \widehat k} \right)$$ m. Then the magnitude of torque

about the point $$\left( {\widehat i + 2\widehat j + \widehat k} \right)$$ m will be $$\sqrt x $$ N m.

The value of x is _______.

Your input ____

Questions Asked from Rotational Motion (Numerical)

Number in Brackets after Paper Indicates
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