Kinetic Energy Quiz

What is energy?

• The force exerted by an object

• A quantity that tells us something about how an object is behaving

• The mass of an object

• A measure of how fast an object is moving

What is kinetic energy?

• The energy released during a chemical reaction

• The energy an object has when it is stationary

• The energy an object has when it is moving

• The energy stored in an object's gravitational field

What is the standard SI unit for energy?

• Watt

• Joule

• Newton

• Volt

What is the equation for kinetic energy?

• E = mc^2

• E = mv^2

• E = 1/2mv^2

• E = m^2v

What happens to the kinetic energy of an object when its speed is doubled?

• It becomes half

• It becomes four times

• It becomes double

• It remains the same

What is the factor that contributes to the kinetic energy of an object?

• Speed

• Mass

• Volume

• Density

What is the difference between speed and velocity?

• Speed is a vector quantity, velocity is a scalar quantity

• Speed is a scalar quantity, velocity is a vector quantity

• Speed and velocity are the same

• Speed and velocity are unrelated

What is the equation for kinetic energy in special relativity?

• E = mc^2 + mv^2

• E = mc^2 + 1/2mv^2

• E = 1/2mc^2

• E = mc^2

What is the moment of inertia?

• A measure of an object's electrical charge

• A measure of an object's gravitational potential energy

• A measure of how hard it is to make an object rotate or move in an angular manner

• A measure of how hard it is to move an object along a straight line

What does the hat above the p represent in quantum mechanics?

• The object's kinetic energy

• An operator used to make a measurement on the object

• The mass of the object

• The speed of light