Forces in Motion Review 2

Jamal threw a ball into the air and watched it go up for a long time. Then it started to fall back toward him. What force caused the ball to return to the ground?

• friction

• gravity

• motion

• wind

Tags

NGSS.MS-PS2-2

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Arrows represent the forces applied to an object. A longer arrow means a greater force. Which object will move upward?

• 
• 
• 
• 

What is a force?

• a push or pull

• speed or acceleration

• potential or kinetic energy

• balanced or unbalanced force

Tags

NGSS.MS-PS2-2

When objects remain in the same place, it is called...

• gravity

• friction

• balanced forces

• unbalanced forces

What is the non-contact force that causes everything to be pulled down to earth?

• friction

• gravity

• balanced

• unbalanced

Tags

NGSS.MS-PS2-4

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Which of these will cause a rolling soccer ball to slow down and stop?

• gravity

• friction

• magnetism

• pull

Tags

NGSS.MS-PS2-2

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Which surface(s) will create friction for a ball?

• school hallway

• gym floor

• carpet

• gravel

TRUE or FALSE: An object in motion will stay in motion unless a force acts on it.

• true

• false

Tags

NGSS.MS-PS2-2

Which action would require a pulling force.

• Dragging a garbage can

• Kicking a soccer ball

• Closing the refrigerator

• Pushing someone on a swing

Tags

NGSS.3-PS2-1

Why does a bowling ball require more force to move than a soccer ball?

• It has the most mass

• It is thrown indoors

• A bowling ball is held in your hand. A soccer ball is kicked.

• A bowling ball is smoother than a soccer ball.

Tags

NGSS.MS-PS2-2