Force and Motion

At the station where the car rolled down the ramp, the _ demonstrated inertia.

• car
• ramp
• mass
• string

What is a force that works AGAINST MOTION?

• Force
• Motion
• Gravity
• Friction

Tags

NGSS.MS-PS2-2

Which force produces a change in motion?

• unbalanced force
• balanced force
• gravitational force
• frictional force

Tags

NGSS.MS-PS2-2

What is the standard unit force is measured in?

• Newtons
• pounds
• grams
• meters

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

Find the net force: 15 N to the right, and another 15 newtons to the right.

• 0 N Right
• 0 N Left
• 30 N Left
• 30 N Right

Tags

NGSS.MS-PS2-2

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 

A person is pushed forward into their seatbelt when a car stops. Which of Newton's laws explains this motion?

• 1st law
•  2nd law
• 2 and 3 law
• 3rd law

Objects with greater _________ also have greater inertia.

• speed
• mass
• temperature
• friction

Tags

NGSS.MS-PS2-2

Inertia refers to ___.

• The force that keeps stationary objects at rest
• The force which keeps moving objects in motion with a constant
• The tendency of moving objects to remain in motion
• All of the above