Motion and Force

When an object's distance to another object is changing.

• force

• motion

• friction

• reference point

Which picture doesn’t show motion?

• 
• 
• 
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Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Push and pull is called a ......

• Motion

• Force

A(n) __________ is a push or pull.

• newton
• acceleration
• force
• momentum

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

__________ is the force that attracts objects towards it's center.

• Push

• Gravity

• Pull

• Speed

Which force produces a change in motion?

• unbalanced force
• balanced force
• gravitational force
• frictional force

Tags

NGSS.MS-PS2-2

If these boys are pulling with the same amount of force.  What will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.

Tags

NGSS.MS-PS2-1

Any time the forces are unbalanced, an object will remain at rest. True or false?

• true
• false

Tags

NGSS.MS-PS2-2

Which of the following statements is true? 

• Balanced forces cause a change in motion. 
• Unbalanced forces cause a change in motion. 
• Forces do not effect the change in motion. 

Tags

NGSS.MS-PS2-2

Which statement about gravity is true?

• gravity causes objects to pull towards one another

• gravity causes objects to push away from each other

• gravity only takes place between planets

• the moon doesn't have any gravity

Tags

NGSS.MS-PS2-4