Monthly Student Online Competition

Kinetic Energy MDCAT MCQs with Answers

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

Kinetic Energy MDCAT MCQs Test Preparations

The kinetic energy of an object depends on:
a) Its mass and the square of its velocity
b) Its weight and height
c) The force applied and the distance traveled
d) The time taken and the displacement

Answer
a) Its mass and the square of its velocity

If the velocity of an object is doubled, its kinetic energy becomes:
a) Four times greater
b) Twice as much
c) Half as much
d) Unchanged

Answer
a) Four times greater

The kinetic energy of a 2 kg object moving at 3 m/s is:
a) 9 Joules
b) 18 Joules
c) 6 Joules
d) 12 Joules

Answer
a) 9 Joules

The kinetic energy of an object at rest is:
a) Zero
b) Equal to its potential energy
c) Equal to the work done on it
d) Equal to its mass

Answer
a) Zero

Kinetic energy is a type of:
a) Mechanical energy
b) Thermal energy
c) Chemical energy
d) Electrical energy

Answer
a) Mechanical energy

The unit of kinetic energy is:
a) Joule
b) Watt
c) Newton
d) Meter

Answer
a) Joule

The kinetic energy of an object with a mass of 4 kg and a velocity of 5 m/s is:
a) 50 Joules
b) 25 Joules
c) 100 Joules
d) 20 Joules

Answer
c) 100 Joules

If the mass of an object is halved while its velocity remains constant, its kinetic energy will be:
a) Halved
b) Doubled
c) Unchanged
d) Quartered

Answer
a) Halved

The kinetic energy of an object is increased by a factor of 9 when its velocity is:
a) Tripled
b) Doubled
c) Quadrupled
d) Increased by 50%

Answer
a) Tripled

The work done on an object is equal to its change in:
a) Kinetic energy
b) Gravitational potential energy
c) Thermal energy
d) Elastic potential energy

Answer
a) Kinetic energy

The kinetic energy of a 1 kg object moving at 10 m/s is:
a) 50 Joules
b) 100 Joules
c) 10 Joules
d) 5 Joules

Answer
b) 100 Joules

Which of the following is true about kinetic energy?
a) It is always positive
b) It can be negative
c) It depends on the object’s temperature
d) It depends on the object’s age

Answer
a) It is always positive

Kinetic energy is directly proportional to the:
a) Square of the velocity
b) Cube of the velocity
c) Mass of the object
d) Time of motion

Answer
a) Square of the velocity

The change in kinetic energy of an object is equal to:
a) The work done on the object
b) The change in its potential energy
c) The force applied times the distance
d) The power output of the object

Answer
a) The work done on the object

An object moving with a constant velocity has:
a) Constant kinetic energy
b) Increasing kinetic energy
c) Decreasing kinetic energy
d) No kinetic energy

Answer
a) Constant kinetic energy

The kinetic energy of a car moving at 20 m/s is:
a) Four times the kinetic energy of the car moving at 10 m/s
b) Half the kinetic energy of the car moving at 40 m/s
c) Twice the kinetic energy of the car moving at 10 m/s
d) Equal to the kinetic energy of the car moving at 30 m/s

Answer
a) Four times the kinetic energy of the car moving at 10 m/s

If the velocity of an object is tripled, its kinetic energy will increase by:
a) Nine times
b) Six times
c) Three times
d) Twelve times

Answer
a) Nine times

The work done to accelerate an object from rest to a velocity
𝑣
v is equal to its:
a) Kinetic energy
b) Potential energy
c) Thermal energy
d) Elastic energy

Answer
a) Kinetic energy

If two objects have the same mass, the one with higher velocity will have:
a) More kinetic energy
b) Less kinetic energy
c) The same kinetic energy
d) Zero kinetic energy

Answer
a) More kinetic energy

The kinetic energy of a moving object is zero when its velocity is:
a) Zero
b) Half the maximum velocity
c) Double the maximum velocity
d) The maximum velocity

Answer
a) Zero

The kinetic energy of an object is calculated using:
a) Its mass and velocity
b) Its mass and height
c) The force applied and the distance
d) The temperature and volume

Answer
a) Its mass and velocity

A 5 kg object moving at 2 m/s has a kinetic energy of:
a) 10 Joules
b) 20 Joules
c) 5 Joules
d) 50 Joules

Answer
a) 10 Joules

The kinetic energy of an object increases if:
a) Its velocity increases
b) Its mass decreases
c) It moves at a constant speed
d) The temperature decreases

Answer
a) Its velocity increases

The kinetic energy of a 3 kg object moving at 4 m/s is:
a) 24 Joules
b) 12 Joules
c) 6 Joules
d) 48 Joules

Answer
a) 24 Joules

The work-energy theorem states that:
a) The work done on an object is equal to its change in kinetic energy
b) Work is equal to potential energy
c) The energy of an object is conserved
d) Kinetic energy is independent of mass

Answer
a) The work done on an object is equal to its change in kinetic energy

An object with higher kinetic energy will:
a) Have higher momentum
b) Have lower momentum
c) Have zero momentum
d) Have equal momentum as another object with lower kinetic energy

Answer
a) Have higher momentum

The kinetic energy of a body is directly proportional to:
a) The square of its velocity
b) The mass of the body
c) The height of the body
d) The density of the body

Answer
a) The square of its velocity

The kinetic energy of an object can be increased by:
a) Increasing its velocity
b) Decreasing its mass
c) Increasing its height
d) Reducing the work done on it

Answer
a) Increasing its velocity

The kinetic energy of an object is calculated using the mass and:
a) The square of its velocity
b) The square root of its velocity
c) The product of its velocity and acceleration
d) Its gravitational force

Answer
a) The square of its velocity

In a frictionless environment, the total mechanical energy of an object is:
a) The sum of its kinetic and potential energy
b) Equal to its kinetic energy only
c) Equal to its potential energy only
d) Zero

Answer
a) The sum of its kinetic and potential energy

The kinetic energy of a body of mass 2 kg moving at 3 m/s is:
a) 9 Joules
b) 18 Joules
c) 6 Joules
d) 12 Joules

Answer
a) 9 Joules

An object’s kinetic energy is directly proportional to:
a) The square of its speed
b) Its density
c) The time it has been in motion
d) Its volume

Answer
a) The square of its speed

If an object’s velocity is halved, its kinetic energy will be:
a) Quartered
b) Doubled
c) Halved
d) Unchanged

Answer
a) Quartered

The energy associated with an object’s motion is called:
a) Kinetic energy
b) Gravitational potential energy
c) Elastic potential energy
d) Thermal energy

Answer
a) Kinetic energy

A car traveling at 30 m/s has a kinetic energy of:
a) Four times that of a car traveling at 15 m/s
b) Twice that of a car traveling at 15 m/s
c) Equal to a car traveling at 15 m/s
d) Half that of a car traveling at 15 m/s

Answer
a) Four times that of a car traveling at 15 m/s

The work done to stop a moving object is equal to:
a) Its kinetic energy
b) Its potential energy
c) The work done on it to accelerate
d) The energy converted to heat

Answer
a) Its kinetic energy

The kinetic energy of an object of mass 10 kg moving at 4 m/s is:
a) 80 Joules
b) 40 Joules
c) 20 Joules
d) 10 Joules

Answer
a) 80 Joules

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