Forces of Motion

When you are riding in a car and the car suddenly stops, your body continues to go forward.

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

Calculate the net force of the object in the image shown.

• 20N

• 35N

• 5N

• 25N

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

As the fuel in a rocket ignites, the force of the gas expansion and explosion pushes out the back of the rocket and pushes the rocket forward.

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

Tags

NGSS.MS-PS2-1

A pitched baseball goes faster than one that is thrown gently.

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

Tags

NGSS.HS-PS2-1

A force that opposes the motion of an object is called (a)   .

• friction

• gravity

• heat

Answer explanation

A force that opposes the motion of an object is called friction. It acts in the opposite direction to the movement, slowing down or stopping the object. Gravity pulls objects down, while heat is not a force.

Tags

NGSS.3-PS2-1

A student wants to determine the amount of force needed to move a 100 gram block across 4 surfaces: a rug, glass, grass and concrete. Choose the best answer for Part A and Part B.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A student drops a ball from shoulder height. The ball bounces 5 times before coming to a stop. What force causes the ball to fall to the ground?

• Gravity

• Friction

• Magnetism

• Position

Tags

NGSS.MS-PS2-4

A​ (a)   is a push or a pull.

• force

• motion

• direction

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A swimmer pushes water back with her arms, but her body moves forward.

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

Tags

NGSS.MS-PS2-1

As an ice skater pushes harder with leg muscles, the ice skater begins to move faster.

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

Tags

NGSS.HS-PS2-1