1

JEE Main 2022 (Online) 27th June Morning Shift

MCQ (Single Correct Answer)

+4

-1

Two blocks of masses 10 kg and 30 kg are placed on the same straight line with coordinates (0, 0) cm and (x, 0) cm respectively. The block of 10 kg is moved on the same line through a distance of 6 cm towards the other block. The distance through which the block of 30 kg must be moved to keep the position of centre of mass of the system unchanged is :

2

JEE Main 2022 (Online) 26th June Morning Shift

MCQ (Single Correct Answer)

+4

-1

An object is thrown vertically upwards. At its maximum height, which of the following quantity becomes zero?

3

JEE Main 2022 (Online) 25th June Morning Shift

MCQ (Single Correct Answer)

+4

-1

If force $$\overrightarrow F = 3\widehat i + 4\widehat j - 2\widehat k$$ acts on a particle position vector $$2\widehat i + \widehat j + 2\widehat k$$ then, the torque about the origin will be :

4

JEE Main 2021 (Online) 31st August Morning Shift

MCQ (Single Correct Answer)

+4

-1

A body of mass M moving at speed V

_{0}collides elastically with a mass 'm' at rest. After the collision, the two masses move at angles $$\theta$$_{1}and $$\theta$$_{2}with respect to the initial direction of motion of the body of mass M. The largest possible value of the ratio M/m, for which the angles $$\theta$$_{1}and $$\theta$$_{2}will be equal, is :Questions Asked from Center of Mass and Collision (MCQ (Single Correct Answer))

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