Forces and Fields

What force brings the pencil down?

• Applied
• Magnetic
• Normal
• Gravitational

Tags

NGSS.MS-PS2-4

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

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

• balanced

• unbalanced

Tags

NGSS.HS-PS2-1

The unit of force is

• m/s
• m/s^2
• newton
• kg

The region in which a magnetic force acts is called a

• line of force

• pole

• magnetic field

• field of attractio

Tags

NGSS.MS-PS2-5

Unlike poles of different magnets

• attract each other

• cancel each other out

• repel each other

Tags

NGSS.MS-PS2-3

The magnetic field is strongest

• at the poles

• in the middle

• at the north pole

• at the south pole

Describe one way you can make an electromagnet stronger.

• Reduce the size of the iron core

• Decrease the current

• Decrease the energy source

• Increase the number of loops in the wire

The buildup of charges on an object is called

• Current electricity

• Static electricity

• Electromagnetism

• Magnetic field

Tags

NGSS.MS-PS2-5