Laws of Motion

What is Inertia?

• any push or pull

• change in speed

• tendency of an object to resit a change in ts motion

• causes motion

What is a force?

• Any push or pull

• change in speed

• something that causes no motion

• tendency of an object to resist a change in its motion

Tags

NGSS.MS-PS2-1

What is Acceleration?

• Any push or pull

• Anything that causes motion

• Change in speed

• Something that causes no motion

Tags

NGSS.MS-PS2-2

What s a balanced force?

• Any push or pull

• something that causes no motion

• tendency of an object to resist a change in its motion

• something that causes motion

Tags

NGSS.MS-PS2-2

What is an unbalanced force?

• Tendency of an object to resist a change in its motion

• Something that causes motion

• Something that causes no motion

• When there is an equal amount of force on each side

Tags

NGSS.MS-PS2-2

Every action has...

• No reaction

• An equal and opposite reaction

• an unequal and opposite reaction

• a balanced and unbalanced force

Tags

NGSS.MS-PS2-1

A force can

• start an object moving

• stop an object from moving

• Both A & B are correct

Tags

NGSS.MS-PS2-2

Which of the following objects has the greatest inertia?

• A large truck parked in the side of the street

• A softball traveling at 95 miles per hour

• A laptop sitting on your desk

Tags

NGSS.MS-PS2-4

A person does not wear a seat belt and hits the windshield during a car accident. Why?

• The driver was texting while driving

• The inertia of the unbelted person

• The car was wrecked.

According to Newton's 2nd Law of Motion, force equals mass times ?

• inertia

• speed

• acceleration

• weight

Tags

NGSS.MS-PS2-2