Kinetic Energy MCQs for AP Physics

What is the formula for kinetic energy?

• 𝐾𝐸=1/2mv^2

• 𝐾𝐸=mgh

• 𝐾𝐸=1/2mv^3

• 𝐾𝐸=Fd

Tags

CCSS.8.EE.A.2

If the mass of an object is doubled, how does its kinetic energy change (assuming velocity remains constant)?

• It halves

• It doubles

• It quadruples

• It remains unchanged

An object of mass 5 kg is moving at 10 m/s. What is its kinetic energy?

• 250 J

• 500 J

• 1000 J

• 50 J

A ball is thrown vertically upward. At its highest point, the kinetic energy is:

• Maximum

• Zero

• Equal to its potential energy

• Half of its total energy

What happens to kinetic energy if the velocity of an object is tripled?

• It triples

• It increases by 6 times

• It increases by 9 times

• It remains constant

An object has a kinetic energy of 100 J. If its velocity is doubled, what will be its new kinetic energy?

• 200 J

• 400 J

• 300 J

• 100 J

Tags

CCSS.8.EE.A.2

Kinetic energy depends on:

• Mass only

• Velocity only

• Both mass and velocity

• Neither mass nor velocity

A 2 kg object moves at 3 m/s. What is its kinetic energy?

• 6 J

• 12 J

• 18 J

• 36 J

The kinetic energy of a satellite in orbit depends on its:

• Height from Earth

• Orbital speed

• Mass only

• Orbital radius only

If an object’s kinetic energy is 300 J and its velocity is 5 m/s, what is its mass?

• 12 kg

• 24 kg

• 30 kg

• 15 kg

Tags

CCSS.8.EE.A.2