PS2.2 Non-Contact Forces TCAP Review

Use the diagram to answer the question. What will happen to the force of gravitational attraction between the objects shown if one of the two objects is doubled in size?

• It will increase.

• It will decrease.

• It will stay the same.

• It will repel.

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NGSS.MS-PS2-2

NGSS.MS-PS2-4

In which position will the ball have the greatest speed?

• Position 1

• Position 2

• Position 3

• Position 4

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NGSS.MS-PS2-4

NGSS.MS-PS3-1

NGSS.MS-PS3-5

The table shows the distance an object covers as it falls toward the ground. What can be concluded about the effect of gravitational force on the object?

• The object slows down because of gravity.

• The object accelerates as it falls toward the ground.

• The object’s velocity remains constant during the fall.

• The object’s direction of motion changes due to gravitational force.

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NGSS.MS-PS2-2

NGSS.MS-PS2-4

A student attaches two identical balloons (X and Y) to the ceiling using a nylon thread so that the balloons are near each other. The table shows the observations from three different activities performed with the balloons. What evidence supports that there is a non-contact force between the balloons?

• The balloons are not in contact and tend to move away from each other when both are rubbed with wool.

• The balloons are not in contact and tend to move away from each other when both are rubbed with rubber.

• The balloons are not in contact and tend to move close to each other when both are rubbed with a glass rod.

• The balloons are not in contact and tend to move close to each other when both are rubbed with wool.

Tags

NGSS.MS-PS2-5

A student wants to demonstrate the size of a magnetic field to a friend. Which activity should the student perform?

• Suspend a magnet freely using a thread, and compare its alignment with a compass.

• Cut a magnet in half, and bring the halves together to show they attract each other.

• Sprinkle iron filings around the magnet, and observe the pattern in which the iron filings arrange themselves.

• Rub an iron bar with a magnet, and bring the bar close to the magnet to show that they attract each other.

Tags

NGSS.MS-PS2-5

A student performs an activity using a sheet of paper, a magnet, and a steel ball. The student observes that the steel ball sticks to the magnet even though the paper is between them. Which factor leads to the attraction of the ball to the magnet?

• The magnet exerts a force on the ball.

• The magnet attracts the paper, which pulls the ball.

• The paper exerts a force on the ball, which pulls the ball toward the magnet.

• The size of the ball attracts the ball toward the magnet.

Tags

NGSS.3-PS2-1

NGSS.3-PS2-3

A student hangs a pith ball from a stand using thread and rubs a glass rod with a silk cloth. Upon bringing the glass rod near the pith ball, the student observes that the pith ball is attracted toward the glass rod, as shown. How can the observation best be explained?

• The glass rod exerts a gravitational force, causing it to attract the pith ball.

• The pith ball exerts a repulsion force toward the glass rod, causing the attraction.

• An electric field exists between the glass rod and the pith ball, causing the attraction.

• Electric charges in the string transfer to the pith ball, causing it to attract the glass rod.

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which force does not require contact and can act on objects from a distance?

• applied force

• friction force

• gravitational force

• tension force

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NGSS.MS-PS2-4

NGSS.MS-PS2-5

Which pair of objects will have the greatest force of gravity between them?

• objects that are small and far apart

• objects that are small and close together

• objects that are large and far apart

• objects that are large and close together

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NGSS.MS-PS2-2

NGSS.MS-PS2-4

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

• location W

• location X

• location Y

• location Z

Tags

NGSS.MS-PS2-4