Center of Mass (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 1 - 2 of 2

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Question number: 1

» Center of Mass » Centre of Mass of a Two-Particle System

Appeared in Year: 2016

MCQ▾

Question

A light rod of length Equation has two masses Equation and Equation attached to its two ends. The moment of inertia of the system about an axis perpendicular to the road and passing through the centre of mass is:

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 2

» Center of Mass » Centre of Mass of a Rigid Body

Appeared in Year: 2017

MCQ▾

Question

Which of the following statements are correct?

  1. Center of mass of a body always coincides with the centre of gravity of the body.
  2. Center of mass of a body is the point at which the total gravitational torque on the body is zero
  3. A couple on a body produce both translational and rotational motion in a body.
  4. Mechanical advantage greater that one means that small effort can be used to lift a large load.

Choices

Choice (4) Response

a.

2 and 3

b.

2 and 4

c.

3 and 4

d.

1 and 2

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