Energy and Force final

Which is the best synonym for potential energy?

• Stored energy

• Energy of motion

• Energy due to gravity

• Mechanical energy

What two factors affect an object's kinetic energy?

• area and volume

• mass and weight

• weight and height

• mass and speed

At which point is potential energy greatest?

• W

• X

• Y

• Z

When you stretch a rubber band, you are storing __________ energy.

• kinetic

• potential

What is the formula for kinetic energy?

• distance / time

• mass x acceleration

• velocity / time

• ½(mass) x (velocity)²

• (mass) x (acceleration of gravity) x (height)

What is the formula for gravitational potential energy?

• distance / time

• mass x acceleration

• velocity / time

• ½(mass) x (velocity)²

• (mass) x (acceleration of gravity) x (height)

When energy is moved from one place to another without changing form, this is called energy ___________.

• transformation

• transmigration

• transfer

• titration

A 11kg baby crawls across the yard at 2 m/s. What is his kinetic energy?

• KE = 11 x 1/2 + 2²

• KE = 0.5 x 11 x 2²

• KE = 0.5 x 2 x 11²

• KE = 1/2 + 0.5 + 11²

If a car is doubles it's velocity from 97 kph to 194 kph what happens to his kinetic energy?

• The kinetic energy would double (x2)

• The kinetic energy would divide in half

• The kinetic energy would decrease

• The kinetic energy would quadruple (x4)

How could you increase the gravitational potential energy of an object without changing its mass and gravity?

• Make the object larger

• Lower the object towards the ground

• Raise the object farther off the ground

• Allow the object to roll on the ground