Energy Concepts Quiz

What is mechanical energy?

• The energy an object possesses due to its position or motion

• The energy an object possesses due to its temperature

• The energy an object possesses due to its chemical composition

• The energy an object possesses due to its electrical charge

What is potential energy?

• Energy due to an object's motion

• Energy due to an object's position

• Energy due to an object's temperature

• Energy due to an object's chemical composition

What is kinetic energy?

• Energy due to an object's position

• Energy due to an object's motion

• Energy due to an object's temperature

• Energy due to an object's chemical composition

What is gravitational potential energy dependent on?

• Mass, temperature, and speed

• Mass, acceleration of gravity, and height

• Temperature, speed, and height

• Acceleration of gravity, speed, and temperature

What is the formula for calculating gravitational potential energy?

• GPE = mgh

• GPE = mv^2

• GPE = 1/2 mv^2

• GPE = mg/h

If a boulder has a mass of 100 kg and is at a height of 45 meters, what is its gravitational potential energy on Earth?

• 44.1 kJ

• 9.81 kJ

• 100 kJ

• 45 kJ

What two factors affect gravitational potential energy on Earth?

• Mass and height

• Speed and height

• Mass and speed

• Volume and height

If two objects are at the same height, which object has greater gravitational potential energy?

• The object with greater mass

• The object with greater speed

• The object with greater volume

• The object with greater density

If two objects have the same mass, which object has greater gravitational potential energy?

• The object at a greater height

• The object with greater speed

• The object with greater volume

• The object with greater density

What factors affect the gravitational potential energy (GPE) of an object?

• Mass and distance traveled

• Height and distance traveled

• Mass and height

• Velocity and height