1

JEE Main 2021 (Online) 18th March Evening Shift

MCQ (Single Correct Answer)

+4

-1

A solid cylinder of mass m is wrapped with an inextensible light string and, is placed on a rough inclined plane as shown in the figure. The frictional force acting between the cylinder and the inclined plane is :

[The coefficient of static friction, $$\mu$$

[The coefficient of static friction, $$\mu$$

_{s}' is 0.4]2

JEE Main 2021 (Online) 18th March Morning Shift

MCQ (Single Correct Answer)

+4

-1

A thin circular ring of mass M and radius r is rotating about its axis with an angular speed $$\omega$$. Two particles having mass m each are now attached at diametrically opposite points. The angular speed of the ring will become :

3

JEE Main 2021 (Online) 17th March Evening Shift

MCQ (Single Correct Answer)

+4

-1

A sphere of mass 2 kg and radius 0.5 m is rolling with an initial speed of 1 ms

^{-1}goes up an inclined plane which makes an angle of 30$$^\circ$$ with the horizontal plane, without slipping. How long will the sphere take to return to the starting point A?4

JEE Main 2021 (Online) 17th March Morning Shift

MCQ (Single Correct Answer)

+4

-1

A triangular plate is shown. A force $$\overrightarrow F $$ = 4$$\widehat i$$ $$-$$ 3$$\widehat j$$ is applied at point P. The torque at point P with respect to point 'O' and 'Q' are :

Questions Asked from Rotational Motion (MCQ (Single Correct Answer))

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