What is inertia?

Which statement best explains the movement of the ball when it is tossed into the air from the back of the truck?

• The ball flies backwards out of the truck

• The ball flies straight up

• The ball continues to move forward in the direction the truck drives

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NGSS.MS-PS2-2

Newton's 1st Law states

• An object at rest will stay at rest, and object in motion will stay in motion, unless affected by an unbalanced force

• Force is equal to mass x acceleration

• Every action has an equal and opposite reaction

What causes the book to stop moving when it is slid across the table?

• It does not stop moving, it remains in motion

• Friction

• Gravity

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NGSS.MS-PS2-2

NGSS.MS-PS3-5

Why did the tennis ball slow down and the medicine ball did not?

• The tennis ball has less mass

• The medicine ball was thrown with more force

• Gravity affects the tennis ball more

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

Object's with MORE mass will have ______ inertia?

• MORE inertia

• LESS inertia

What is inertia?

• An object's ability to keep doing what its already doing (staying in motion or staying at rest)

• A type of downward force

• A type of upward force

• An object's mass

What happened to the crash test dummy when the car hit the wall?

• They remained at rest because they were sitting at rest

• They moved forward at an increased speed.

• They moved forward at the same speed the car was moving

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The crash dummy kept moving because?

• the dummy's mass

• the force from the wall

• the dummy's inertia

• the car's force

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NGSS.MS-PS2-2

How does inertia affect the movement of a human body during a car crash?

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NGSS.MS-PS2-1

NGSS.MS-PS2-2