Force & Motion Vocab.

The child is in ________________ because he is changing position as he swings.

• gravity

• balance

• motion

How fast or slow an object is moving is its ______________.

• acceleration

• speed

• gravity

I drove my car at 55 mph (miles per hour) east on my trip to Mississippi. 55 mph east is the ________________.

• velocity

• gravity

• speed

Pushes and pulls are types of ___________________.

• speed

• gravity

• force

What type of force is shown in the picture?

• balanced force

• unbalanced force

• gravitational force

What type of force is shown in the picture?

• balanced force

• gravitational force

• unbalanced force

Choose ALL that apply. Friction cause objects to _____________.

• heat up

• slow down

• speed up

• float

What is gravity?

• A force that makes objects speed up.

• A force that makes objects balanced.

• A force that pulls objects toward the Earth.

• A force that makes things feel lighter.

Look at the picture. According to Newton's 1st Law of Motion, what will happen to the lemon resting on the table if NO FORCE ACTS UPON IT?

• The lemon will start rolling.

• The lemon will suddenly fall on the floor.

• The lemon will fly away.

• The lemon will stay still.

According to Newton's 2nd Law of Motion, which sentence is true?

• I will use a stronger force to lift the small dog.

• I will use a stronger force to lift the big dog.

• I will use a weaker force to lift the big dog.