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Previous year question hub

Center Of Mass - Mechanics - Physics Previous Year Questions

Practice Center Of Mass - Mechanics - Physics previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

5Papers
5Years
8Questions
1Topics

Center Of Mass question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Center Of Mass. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Not classified 8 100%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

Multiple Choices 8 100%

Subject weightage

Top subjects by unique question coverage.

Physics
8 Qs

Most asked topics

Top topics across the included previous year papers.

Mechanics
8 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Center Of Mass
8 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

KCET 2025
2 Qs
KCET 2022
1 Qs
KCET 2021
2 Qs
KCET 2019
2 Qs
KCET 2017
1 Qs

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
KCET 202520252View paper
KCET 202220221View paper
KCET 202120212View paper
KCET 201920192View paper
KCET 201720171View paper

All Center Of Mass previous year questions

Practice every matching question in batches of 20, with every available option.

1
2017 · Physics · Mechanics · Center Of Mass
KCET 2017
Two balls are thrown simultaneously in air. The acceleration of the centre of mass of the two balls when in air
A
is equal to $g$ (acceleration due to gravity)
B
depends on the speeds of the two balls
C
depends on the masses of the two balls
D
depends on the direction of motion of the two balls.
Open complete paper
2
2019 · Physics · Mechanics · Center Of Mass
KCET 2019

Two particles which are initially at rest move towards each other under the action of their mutual attraction. If their speeds are \(v\) and \(2 v\) at any instant, then the speed of centre of mass of the system is

A
\(2v\)
B
zero
C
\(1.5v\)
D
\(v\)
Open complete paper
3
2019 · Physics · Mechanics · Center Of Mass
KCET 2019

During inelastic collision between two objects, which of the following quantity always remains conserved?

A
Total kinetic energy
B
Total mechanical energy
C
Total linear momentum
D
Speed of each body
Open complete paper
4
2021 · Physics · Mechanics · Center Of Mass
KCET 2021

A ball hits the floor and rebounds after an inelastic collision. In this case

A
the momentum of the ball is conserved
B
the mechanical energy of the ball is conserved
C
the total momentum of the ball and the earth is conserved
D
the total mechanical energy of the ball and the earth is conserved
Open complete paper
5
2021 · Physics · Mechanics · Center Of Mass
KCET 2021

A \(1 \mathrm{~kg}\) ball moving at \(12 \mathrm{~ms}^{-1}\) collides with a \(2 \mathrm{~kg}\) ball moving in opposite direction at \(24 \mathrm{~ms}^{-1}\). If the coefficient of restitution is \(2 / 3\), then their velocities after the collision are

A
\(-4 \mathrm{~ms}^{-1},-28 \mathrm{~ms}^{-1}\)
B
\(-28 \mathrm{~ms}^{-1},-4 \mathrm{~ms}^{-1}\)
C
\(4 \mathrm{~ms}^{-1}, 28 \mathrm{~ms}^{-1}\)
D
\(28 \mathrm{~ms}^{-1}, 4 \mathrm{~ms}^{-1}\)
Open complete paper
6
2022 · Physics · Mechanics · Center Of Mass
KCET 2022

The centre of mass of an extended body on the surface of the earth and its centre of gravity

A
are always at the same point only for spherical bodies.
B
can never be at the same point.
C
centre of mass coincides with the centre of gravity of a body if the size of the body is negligible as compared to the size (or radius) of the earth.
D
are always at the same point for any size of the body.
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7
2025 · Physics · Mechanics · Center Of Mass
KCET 2025

During an elastic collision between two bodies, which of the following statements are correct?

I. The initial kinetic energy is equal to the final kinetic energy of the system.

II. The linear momentum is conserved.

III. The kinetic energy during $\Delta \mathrm{t}$ (the collision time) is not conserved.

A
II and III only
B
I and III only
C
I, II and III
D
I and II only
Open complete paper
8
2025 · Physics · Mechanics · Center Of Mass
KCET 2025

Three particles of mass $1 \mathrm{~kg}, 2 \mathrm{~kg}$ and 3 kg are placed at the vertices A, B and C respectively of an equilateral triangle ABC of side 1 m . The centre of mass of the system from vertex A (located at origin) is

A
$\left(\frac{7}{12}, \frac{3 \sqrt{3}}{12}\right)$
B
$\left(\frac{9}{12}, \frac{3 \sqrt{3}}{12}\right)$
C
$\left(\frac{7}{12}, \frac{6+3 \sqrt{3}}{12}\right)$
D
$(0,0)$
Open complete paper