Forces

What force brings the pencil down?

• Applied
• Magnetic
• Normal
• Gravitational

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

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-PS2-2

NGSS.MS-PS2-1

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

Balanced forces do not change the objects speed or 

• direction
• distance 
• time
• mass

Tags

NGSS.MS-PS2-2

The unit of force is

• m/s
• m/s^2
• newton
• kg

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

• Balanced force
• Unbalanced force

Tags

NGSS.3-PS2-1

Jonny and Patty are pushing against a basketball. Both of them push against theball on opposite sides with a force of 20 N to keep the ball still. What is the net force?

• 400 N
• 24 N
• 0 N
• 40 N

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1