Forces & Motion Test

The distance something moves in a given amount of time is its ___________.

• speed
• force
• kinetic energy
• unbalanced force

When forces are acting on an object and it produces a net force of 0, you can say that the forces are _______________.

• balanced
• unbalanced

Forces that produce a non-zero net force and change an object's motion are______________.

• balanced
• unbalanced

Issac Newton's First Law of Motion states that...

• Objects in motion remain in motion.
• Force equals mass times acceleration.
• Every action has an equal and opposite reaction.
• Speed equals distance divided by time.

Newton's 3rd Law of Motion states...

• Every action has an equal and opposite reaction.
• Force equals mass times acceleration.
• Objects in motion stay in motion.
• Speed equals distance over time.

Velocity is an object's ________________.

• speed in a specific direction
• distance traveled in a certain amount of time
• unit of force measurement
• change in speed or direction

Force is measured in _____________.

• pounds
• newtons
• grams
• meters

Newton's 2nd Law of Motion states...

• Force equals mass times acceleration.
• Objects in motion stay in motion unless acted upon by an outside force.
• Every action has an equal and opposite reaction.
• All objects are required to have a gravitational force.

Which is an example of an unbalanced force?

• a puppy sleeping on the couch

• a poster hanging on the wall

• a jar sitting on a shelf

• a girl shooting a basketball

What will happen if two friends of the same size and weight get on a seesaw?

• they will move up and down because they are unbalanced

• they will move up and down because they are balanced

• they will not move because they are balanced

• they will move because they are unbalanced