Magnetic and Electrostatic Forces

Which of the following forces can push (repel) and pull (attract)?

• Magnetic Force

• Electric Force

• Gravitational Force

• Both Magnetic and Electric Force.

• All Three, Magnetic, Electric and Gravitational Force.

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NGSS.MS-PS2-3

When two magnets repel, they ________________

• change color
• pull together
• push apart
• get colder

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

The magnitude of the force of magnetism is larger between two electromagnets when ________________

• the charges are both negative.

• the charges are both positive.

• the charges (in coulombs) are greater.

• the charges are opposite.

Tags

NGSS.MS-PS2-3

The magnitude of the force of magnetism is larger between two electromagnets when ________________

• the charges are both negative.

• the charges are both positive.

• the charges (in coulombs) are greater.

• the charges are opposite.

Tags

NGSS.MS-PS2-3

Iron filings and bar magnets are placed on a piece of paper. Explain the pattern on the diagram below. Where is the magnetic field the strongest?

• The magnetic field is only strong at the north pole

• The magnetic field is only strong at the south pole

• The magnetic field is strongest at the magnet’s poles.

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NGSS.MS-PS2-5

If the North Pole of a permanent magnet is placed next to a compass as seen in the picture, which direction will the needle move if its tip is a north pole?

• Clockwise (to the right)

• Counter-clockwise (to the left)

• It will not move

• Need more information

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NGSS.3-PS2-3

As the product of two objects' masses increases, the pull of gravity

• Increases
• Decreases
• Stays the same

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NGSS.MS-PS2-4

Ms Jo Jo rubbed two balloons with a piece of wool. What will happen when the balloons are brought near each other?

• The balloons will repel each other.
• The balloons will attract each other.
• The balloons will become positively (+) charged.
• The balloons will pop.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What types of charges attract?

• Positive and Positive
• Positive and Neutral
• Negative and Neutral
• Positive and Negative

Electric charges that are alike _______ each other.

• Attract
• Repel