Energy Concepts Quiz

What is kinetic energy primarily associated with?

• The color of an object

• The temperature of an object

• The motion of an object

• The position of an object

How is acceleration calculated?

• Force divided by mass

• Mass times velocity

• Final velocity minus initial velocity divided by time

• Initial velocity divided by time

What is the formula for force according to the law of acceleration?

• Force equals velocity divided by time

• Force equals mass divided by acceleration

• Force equals mass times acceleration

• Force equals mass times velocity

How is average velocity calculated when initial velocity is zero?

• Initial velocity divided by time

• Final velocity times time

• Final velocity divided by two

• Initial velocity plus final velocity

What is the formula for kinetic energy?

• Velocity squared divided by mass

• Mass times velocity

• Mass times velocity squared divided by two

• Force times displacement

In the sample problem, what is the kinetic energy of a 3000 kg truck moving at 40 m/s?

• 1,600 Joules

• 4,800,000 Joules

• 3,200,000 Joules

• 2,400,000 Joules

What happens to potential energy as a bicycle rolls downhill?

• It increases

• It remains constant

• It transforms into thermal energy

• It decreases

Why is it easier to jump higher on a trampoline than on the ground?

• The trampoline surface is softer

• The trampoline provides elastic potential energy

• The trampoline is bouncy

• The trampoline is elevated

What does the law of conservation of energy state?

• Energy can be created and destroyed

• Energy can only be transformed from one form to another

• Energy is always increasing

• Energy is always decreasing

Which of the following is an example of energy transformation?

• A book resting on a table

• A frozen lake

• A stationary bicycle

• A car engine burning fuel