Mr. Walensky's Physics Unit Test Review

Gravity is not affected by the mass of an object and the distance between them.

• True

• False

When forces are _________________, an object will move.

• High

• Low

• Balanced

• Unbalanced

An object with a mass of 10kg is accelerating at a rate of 4 m/s. How much force will it generate?

• 27 N

• 40 N

• 33 N

• 14,000,605 N

Which of the following it true regarding the Law of Conservation of Energy?

• Energy can be stored

• Energy can be transformed

• Energy cannot be created nor destroyed

• All of these are true.

What do we call the energy of motion?

• Potential Energy

• Heat Energy

• Mechanical Energy

• Kinetic Energy

Force equals ______________

• Mass times acceleration

• Gravity divided by inertia

• Matter squared

• The same as energy

Which of these are long range forces?

• Io orbiting Jupiter

• Friction from sandpaper

• A spring uncoiling

• Moving an oar through the water

As a skateboarder is traveling down a half pipe, what is happening to their energy? Select all that apply.

• Their kinetic energy increases

• Their potential energy decreases

• They stop moving

• None of these

The less mass an object has, the ___________ amount of force required to change it's motion.

• Less

• More

• Balanced

• Net

What is inertia?

• The ability to do work or cause change

• Speed with direction

• The tendency of an object to resist a change in its motion.

• The ability to go past terminal velocity