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Elastic Collision MDCAT MCQs with Answers

Elastic Collision MDCAT MCQs

Welcome to the Elastic Collision MDCAT MCQs with Answers. In this post, we have shared Elastic Collision Multiple Choice Questions and Answers for PMC MDCAT 2024. Each question in MDCAT Physics offers a chance to enhance your knowledge regarding Elastic Collision MCQs in this MDCAT Online Test.

Elastic Collision MDCAT MCQs Test Preparations

In a perfectly elastic collision, which of the following is conserved?
a) Kinetic energy
b) Momentum
c) Both kinetic energy and momentum
d) Neither kinetic energy nor momentum

Answer
c

During an elastic collision, the relative velocity of approach is equal to:
a) The relative velocity of separation
b) The sum of the velocities
c) The difference of the velocities
d) Zero

Answer
a

In a one-dimensional elastic collision between two objects, if the initial velocity of object A is
𝑣
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v
A

and object B is stationary, the final velocity of object A after the collision is given by:
a)
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v
A

b)
𝑣
𝐵
v
B

c)
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𝐴

𝑚
𝐵
𝑚
𝐴
+
𝑚
𝐵
𝑣
𝐴
m
A

+m
B

m
A

−m
B


v
A

d)
2
𝑚
𝐵
𝑚
𝐴
+
𝑚
𝐵
𝑣
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m
A

+m
B

2m
B


v
A

Answer
d

For a perfectly elastic collision, the total kinetic energy of the system:
a) Decreases
b) Increases
c) Remains constant
d) Becomes zero

Answer
c

If two identical objects collide elastically and rebound with the same speed, their final velocities are:
a) The same as their initial velocities
b) Zero
c) Doubled
d) Half of their initial velocities

Answer
a

In a perfectly elastic collision between two balls of equal mass, if one ball is initially stationary, the velocities of the balls after the collision are:
a) Swapped
b) Remain unchanged
c) Zero
d) Double their initial values

Answer
a

The coefficient of restitution for a perfectly elastic collision is:
a) Zero
b) One
c) Greater than one
d) Less than one

Answer
b

In a two-dimensional elastic collision, which of the following quantities is conserved?
a) Only the x-component of momentum
b) Only the y-component of momentum
c) Both the x and y components of momentum
d) Kinetic energy only

Answer
c

For an elastic collision on a frictionless surface, the total momentum before and after the collision:
a) Is not conserved
b) Increases
c) Remains constant
d) Decreases

Answer
c

If a moving ball collides elastically with a stationary ball of the same mass, the moving ball:
a) Stops and the stationary ball moves with the initial velocity of the moving ball
b) Continues with the same velocity
c) Rebounds with the same velocity
d) Moves in the opposite direction with double velocity

Answer
a

In an elastic collision between two objects, if the first object is much more massive than the second, the second object:
a) Experiences a larger change in velocity
b) Experiences no change in velocity
c) Rebounds with a smaller velocity
d) Has the same velocity after the collision

Answer
a

The conservation of kinetic energy in elastic collisions leads to:
a) An increase in total energy
b) A decrease in total energy
c) No change in total kinetic energy
d) An increase in potential energy

Answer
c

In an elastic collision where two objects have the same mass and collide head-on, their final velocities:
a) Are equal to their initial velocities but in opposite directions
b) Are the same as before the collision
c) Are zero
d) Are halved

Answer
a

In an elastic collision, the total momentum of a two-body system:
a) Changes depending on the mass
b) Remains constant
c) Depends on the type of collision
d) Becomes zero

Answer
b

During an elastic collision between two objects, the center of mass velocity:
a) Changes
b) Remains constant
c) Becomes zero
d) Depends on the masses of the objects

Answer
b

For two objects colliding elastically in space, the total energy of the system:
a) Decreases
b) Remains constant
c) Increases
d) Becomes zero

Answer
b

If the relative velocity of approach in an elastic collision is 10 m/s, the relative velocity of separation will be:
a) Less than 10 m/s
b) Greater than 10 m/s
c) Equal to 10 m/s
d) Zero

Answer
c

In an elastic collision on a frictionless surface, the relative speed of two colliding objects:
a) Increases
b) Decreases
c) Remains unchanged
d) Becomes zero

Answer
c

The coefficient of restitution for a collision is defined as:
a) The ratio of final to initial kinetic energy
b) The ratio of final to initial momentum
c) The ratio of relative velocities after and before the collision
d) The total energy before the collision

Answer
c

For an elastic collision between two objects of equal mass, if one object is initially at rest, the final velocities are:
a) Swapped
b) The same as the initial velocities
c) Zero
d) Doubled

Answer
a

When two objects collide elastically in two dimensions, the angle between their velocities after collision depends on:
a) The masses of the objects
b) The relative velocities before the collision
c) The type of collision
d) The initial kinetic energy

Answer
b

In a perfectly elastic collision, the change in momentum for each object is:
a) Equal and opposite
b) Zero
c) Dependent on mass
d) Twice the initial momentum

Answer
a

In a perfectly elastic collision, the velocity of the center of mass:
a) Changes
b) Remains constant
c) Becomes zero
d) Depends on the individual velocities

Answer
b

When two objects collide elastically and one object is initially stationary, the final velocities can be found using:
a) Conservation of momentum and conservation of energy
b) Conservation of momentum only
c) Conservation of energy only
d) The law of universal gravitation

Answer
a

If the total kinetic energy before an elastic collision is 100 J, the total kinetic energy after the collision will be:
a) Less than 100 J
b) Greater than 100 J
c) 100 J
d) Zero

Answer
c

For a perfectly elastic collision, the momentum and kinetic energy are:
a) Both conserved
b) Both not conserved
c) Momentum is conserved, but not kinetic energy
d) Kinetic energy is conserved, but not momentum

Answer
a

In an elastic collision, the direction of motion of two colliding objects:
a) Always reverses
b) Always stays the same
c) May change depending on the collision angle
d) Becomes random

Answer
c

For two objects colliding elastically, the relative speed of separation is always:
a) Equal to the relative speed of approach
b) Less than the relative speed of approach
c) Greater than the relative speed of approach
d) Zero

Answer
a

In a perfectly elastic collision between two unequal masses, the more massive object:
a) Experiences a greater change in velocity
b) Experiences a smaller change in velocity
c) Experiences no change in velocity
d) Moves with the same final velocity as the smaller object

Answer
b

The energy lost in an elastic collision:
a) Is transformed into kinetic energy
b) Is conserved as kinetic energy
c) Is transformed into potential energy
d) Is zero

Answer
d

If two objects collide elastically and one object is much heavier, the lighter object will:
a) Move with a larger velocity change
b) Move with no change in velocity
c) Move with a smaller velocity change
d) Move in the opposite direction with the same velocity

Answer
a

In an elastic collision, the work done by internal forces of the system:
a) Increases the total energy
b) Decreases the total energy
c) Does not change the total energy
d) Is equal to the change in kinetic energy

Answer
c

During an elastic collision, if the masses of the two objects are equal, the velocities after the collision:
a) Are swapped
b) Remain the same
c) Are halved
d) Become zero

Answer
a

For two objects colliding elastically on a frictionless surface, the total momentum and kinetic energy:
a) Both increase
b) Both decrease
c) Momentum is conserved; kinetic energy is conserved
d) Momentum is not conserved; kinetic energy is conserved

Answer
c

If a moving object collides elastically with a stationary object of the same mass, the stationary object:
a) Moves with the velocity of the moving object
b) Remains stationary
c) Moves with twice the velocity of the moving object
d) Moves in the opposite direction

Answer
a

The velocity of the center of mass in an elastic collision of two objects:
a) Changes
b) Remains unchanged
c) Depends on the masses
d) Becomes zero

Answer
b

The change in kinetic energy for a perfectly elastic collision:
a) Is zero
b) Is equal to the total energy
c) Is equal to the work done
d) Depends on the masses of the objects

Answer
a

The coefficient of restitution is a measure of:
a) The energy lost in the collision
b) The kinetic energy of the system
c) The degree of elasticity of the collision
d) The total momentum of the system

Answer
c

In an elastic collision, the direction of momentum change for each object:
a) Is opposite to the direction of velocity change
b) Is the same as the direction of velocity change
c) Is random
d) Cannot be determined

Answer
a

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