Electric Force 1

In which position will the ball have the greatest speed?

• position 1

• position 2

• position 3

• position 4

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

NGSS.MS-PS3-5

In which location was the gravitational force the weakest between the center of the Earth and Mike?

• W

• X

• Y

• Z

Which investigation demonstrates a non-contact force?

• Place the nometallic object near the horseshoe magnet, and observe that the object does not move

• Place the metal object near the horseshoe magnet, and observe that the object remains in place when the magnet is picked up.

• Place the metal object near the horseshoe magnet, and observe that the object moves toward the magnet

• Place the nometallic object on the south pole of the horseshoe magnet, and observe that the object does not move to the north pole of the magnet.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

After rubbing a rubber brush on wood, Gilbert is able to use the brush to pick up small strips of paper. What causes the paper to be attracted to the brush?

• gravity

• electric current

• static electricity

• magnetism

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which scenario is the best analogy to the work done on a negative charge to move it toward a negatively charged electric plate?

• a cup falling to the ground

• a book lifted from the ground

• a released spring launching a pinball

• a curling stone pushed along frictionless ice.

Tags

NGSS.MS-PS2-5

NGSS.MS-PS3-2

If an electron is released at position Y, what will happen to it?

• It will accelerate to Z

• It will remain stationary at Y

• It will accelerate to X

• It will accelerate along the 0 V line.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5