Unit 4 Science Test (force)

Letting go of a balloon full of air is demonstrating Newton's ______ _______ ________ _________ because the air comes out of the back and the balloon moves forward.

• 1st law of motion

• 2nd law of motion

• 3rd law of motion

• 13th law of motion

Tags

NGSS.3-PS2-1

NGSS.3-PS2-2

A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.

• The Law of Inertia (1st law)
• The Law of Acceleration (2nd law)
• The Law of Conservation of Momentum
• Action Reaction Law (3rd law)

Tags

NGSS.HS-PS2-1

What is Newton's First Law

• F=ma
• Every action has an equal and opposite reaction
• An object at rest stays at rest, an object in motion stays in motion. 
• Friction 

What is Newtons 2nd law of motion?

• Pancakes 
• Force= Mass multiplied by acceleration
• For every action there is a equal and opposite  re-action.
• Law of gravity 

Tags

NGSS.MS-PS2-2

The force that opposes motion between two surfaces in contact with each other.

• inertia
• friction
• momentum
• gravity

The combination of all the forces acting on an object is the...

• net force
• action force
• reaction force
• balance force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

If there are two forces going in the same direction how would you find the net force?

• Subtract
• Add
• Neither
• Multiply

Tags

NGSS.MS-PS2-2

When a student runs and kicks a ball, they have applied an ___________ force to move the ball.

• Balanced

• Magnetic

• Spring

• Unbalanced

Tags

NGSS.3-PS2-1

Standing in line is an example of a ________ ________ since you are not moving forward, backward, or sideways.

• negative acceleration

• balanced force

• unbalanced force

• 1st law of motion

Tags

NGSS.3-PS2-1

The __________ between the sole of you shoe and the floor keeps you from slipping.

• friction

• gravity

• acceleration

• motion

Tags

NGSS.3-PS2-1