Introduction to forces

What is a PUSH or PULL of an object?

• Motion
• Force
• Friction
• Gravity

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the standard unit force is measured in?

• Newtons
• pounds
• grams
• meters

This force holds us to earth’s surface.

• friction
• mass
• gravity
• tension

What is a contact force.

• A force that can only exert force on an object that it is touching.

• A force that acts through an invisible force field and doesn't touch the object.

Which of the following is an example of a contact force?

• Gravity

• Electricity

• Friction

• Magnetism

Which of the following is an example of a non-contact force?

• Gravity

• Buoyancy

• Air resistance

• Friction

Which of the following is not correct, A force can...

• change an object shape

• change an objects colour

• change an objects direction

• speed up or slow down an object

Forces that have a net force of zero ( the object is still).

• Balanced force
• Unbalanced force

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