8th Grade Unit 4 Test Review

Newton's 2nd Law is known as The Law of ___________.

• Inertia

• Force and Acceleration

• Action-Reaction

Newton's 1st Law is known as The Law of ______________.

• Inertia

• Force and Acceleration

• Action-Reaction

Newton's 3rd Law is known as The Law of ______________.

• Inertia

• Force and Acceleration

• Action-Reaction

Tags

NGSS.MS-PS2-1

Which example represents the Law of Force and Acceleration (2nd Law)?

• A boy kicks a soccer ball.

• A rocket blasting off into space.

• A truck accelerates at a slower rate than a race car.

Tags

NGSS.MS-PS2-2

Which example represents the Law of Inertia (1st Law)?

• A boy kicks a soccer ball.

• A rocket blasting off into space.

• A truck accelerates at a slower rate than a race car.

Which example represents the Law of Action-Reaction (3rd Law)?

• A boy kicks a soccer ball.

• A rocket blasting off into space.

• A truck accelerates at a slower rate than a race car.

Tags

NGSS.MS-PS2-1

Which will take more force to stop- an empty shopping cart or a shopping cart full of groceries?

• Empty Shopping Cart

• Shopping Cart Full of Groceries

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which Law explains why it will take more force to stop a shopping cart full of groceries vs an empty cart?

• Newton's 1st Law- Law of Inertia

• Newton's 2nd Law- Law of Force and Acceleration

• Newton's 3rd Law- Law of Action-Reaction

Tags

NGSS.MS-PS2-2

A train containing FOUR cars is accelerating at 50 m/s² before it comes to an abrupt stop at the end of the ride. The mass of ONE car is 500 kg. How much force was exerted on the roller coaster to bring it to a stop? F = m x a

• 100,000 N

• 25,000 N

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Forces work ___________.

• alone

• in pairs

Tags

NGSS.MS-PS2-1