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

• Balanced

• Magnetic

• Spring

• Unbalanced

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

When the teacher rearranges the desks in the classroom, she must apply ____________ to push and pull the desks around.

• acceleration

• force

• weight

• magnets

Tags

NGSS.MS-PS2-2

Which law of motion says that you must push or pull objects harder if they have more mass?

• 1st

• 2nd

• 3rd

• 4th

Tags

NGSS.MS-PS2-2

Walking down the hall and speeding up when you turn and go down the stairs is an example of ____________.

• acceleration

• weight

• gravity

• friction

Tags

NGSS.MS-PS2-2

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.MS-PS2-1

What law is best described by inertia?

• 1st

• 2nd

• 3rd

• law of conservation of mass

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.MS-PS2-1

NGSS.MS-PS2-2

What Unit do we Measure Force in?

• Newtons

• Joules

• Force

• Kilograms

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 20 kg bike accelerates at 10 m/s2. what was the force

F = m x a

• 25 Newtons

• 20 Newtons

• 200 Newtons

• 10 Newtons

Tags

NGSS.MS-PS2-2