Unit 4 Test

A push and a pull are two examples of which of the following?

• Energy
• Motion
• Acceleration
• Force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the force of attraction between two objects even if they are not touching?

• Gravity

• Friction

• Magnetic force
• Centrifugal force

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Which of the following gives the definition of inertia?

• Inertia is the resistance of any physical object to any change in its velocity.
• Inertia is the energy stored in a moving object.
• Inertia is the speed of an object in motion.
• Inertia is the force that causes an object to move.

Which of the following term identifies a cause of change in motion

• friction
• inertia
• Balanced Force

• Unbalanced Force

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-5

Which term identifies a force that opposes motion and acts between two objects that are touching?

• Gravity
• Inertia
• Magnetism
• Friction

How does friction affect speed?

• more friction decreases speed
• more friction increases speed
• less friction decreases speed

Tags

NGSS.3-PS2-1

When you are riding in a car and the car suddenly brakes, the sudden braking causes you body to move forward. Which of Newton's law does this apply to?

• Newton's Third Law of Motion
• Newton's Second Law of Motion
• Law of Universal Gravitation
• Newton's First Law of Motion

When two objects rub together, what force do they produce

• Gravity
• Air resistance
• Friction
• Water resistance

A rocket launching is an example of which law of motion?

• Newton's Third Law of Motion
• Law of Universal Gravitation
• Newton's Second Law of Motion
• Newton's First Law of Motion

Tags

NGSS.MS-PS2-1

What happens to an object in motion if no external force is applied to it?

• It will change direction

• It will eventually stop

• It will continue moving at a constant speed

• It will accelerate