Motion and Matter

The balls on the ramps are exactly the same. The balls are released at different positions on the ramp. Which release point would require the largest force to stop when it reaches the wall?

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

A bowling ball is released at position 1. It rolls down a ramp (positions 2 and 3) and across the floor. It stops at position 4. The ball is moving the fastest in which position?

• Position 1

• Position 2

• Position 3

• Position 4

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

After the bowling ball is released from position 1, why is it moving the fastest in position 3?

• The force of gravity has had the most time to pull it down the ramp.

• The air is thinner at the base of the ramp.

• It is not faster in position 3. This is a trick question.

• The force of gravity pushes the ball to the right.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

NGSS.MS-PS3-5

These people are both applying 400 units of force on the box in opposite directions. In which direction will the box move?

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Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The person on the left is pushing to the right with 400 units of force. The person on the right is pushing to the left with 1,000 units of force. In which direction will the box move?

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Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The person on the left is pushing to the right with 800 units of force. The person on the right is pushing to the left with 400 units of force. In which direction will the box move?

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

These people are both applying 400 units of force on the box in opposite directions. This is an example of which type of force?

• A balanced force.

• An unbalanced force.

• A force of a different color.

• A canceled force.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The person on the left is pushing the box to the right with 400 units of force. The person on the right is pushing the box to the left with 1,000 units of force. This is an example of which type of force?

• A balanced force.

• An unbalanced force.

• A force of a different color.

• A canceled force.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which type of force is the girl applying to the wheel barrow?

• push

• pull

• magnetic

• friction

Tags

NGSS.3-PS2-1

Which type of force is the girl applying to the wagon?

• push

• pull

• magnetic

• friction

Tags

NGSS.3-PS2-1