Forces & Gravity

The amount of matter in an object is 

• pressure
• weight
• mass
• force

The greater the force acting on an object the ______________ the change in motion.

• greater

• smaller

• longer

• shorter

Tags

NGSS.MS-PS2-2

When a person pulls down on the rope, how will the box move.

• The box will move down.

• The box will not move at all.

• The box will move up.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A student released a tennis ball at the top of a ramp and it rolled straight into another tennis ball at the bottom of the ramp, as shown below.

Which arrow shows the direction the ball at the bottom of the ramp will move?

• 
• 
• 

Tags

NGSS.MS-PS2-1

The main reason a baseball comes down when a boy tosses it up into the air is —

• magnetism is pulling the ball down

• the boy cannot see to catch it

• gravity is pulling down on the ball

• gravity pushes the ball in the air

Tags

NGSS.5-PS2-1

How does friction affect the motion of an object?

• Friction causes the object to move faster.

• Friction causes the object to move slower.

• Friction causes the object to not move.

• Friction causes the object to spin.

Imagine you had to lift a heavy box into the back of a truck.What could you use to make

the job easier? Explain how your choice of objects would make he job easier.

• A ramp. This would allow you to push the box up the ramp without having to physically pick it up.

• A pulley. This would allow you to lift things into the air.

• A lever. This would allow you to lift one side.

Tags

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

What is a push or a pull?

• force

• gravity

• unbalanced force

• balanced force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is a force of attraction between two objects. It acts on

objects even if they are not touching?

• force

• gravity

• balanced force

• unbalaned force

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

What is a force that opposes motion? It acts between two

objects that are touching.

• force

• gravity

• friction

• unbalanced force