Forces

Inertia is...

• What happens when two objects rub together

• The tendency of objects to resist change

• F=M x a

If a 10 kilogram object accelerates suddenly at 15 m/s^2, how much force was applied to the object?

• 150 Newtons
• 15 Newtons
• 150 kilograms
• 100 kilograms

Tags

NGSS.MS-PS2-2

What is the acceleration of a 50 kg object pushed with a force of 500 newtons? The answer to this question is most likely (HINT: Look at the units!!!) - 

• 10 N
• 10 m/s²
• 10 kg

Tags

NGSS.HS-PS2-1

Newtons 2nd Law states

• Any object will stay at rest unless an unbalanced force moves it

• For every action there is an equal and opposite reaction

• F = M x a

What two forces slow objects down

• Gravity

• Magnetism

• Friction

• Electricity

What force ultimately slows the roller coaster to a stop?

• Applied
• Normal
• Friction
• Magnetic

Tags

NGSS.MS-PS2-2

An _______ force must act on an object for it to CHANGE it's motion

• balanced
• unbalanced
• gravitational
• electrical

Tags

NGSS.MS-PS2-2

What is defined as a push or pull?

• force

• motion

• vector

• speed

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

This type of force resist motion between two surfaces that are pressed together

• contact
• gravity
• friction

If the net force is equal to zero, the forces acting on the object are

• balanced

• unbalanced

Tags

NGSS.MS-PS2-2