BAMS 1st 9 Weeks Review

Two forces are applied to a 2000 Kg car, as shown. The car is on a smooth road. Which statement best describes the acceleration of the car?

• The car accelerates at 1.0 m/s2 forward because the net force is 2000 N forward.

• The car accelerates at 2.0 m/s2 forward because the greater force is forward.

• The car accelerates at 3.0 m/s2 forward because the combined forces cause the car to accelerate.

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

An unbalanced force of 32 newtons is shown acting on an 8.0 kg box. Based on this information, complete the sentence to predict the motion of the object.

As long as the force acts on an object, the object will continue to move toward the east and its acceleration will be ____ m/s²

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

The picture shows a crash test dummy fastened in a car seat. Based on Newton’s law of action/reaction, which answer describes the direction of the force that the seat belt would exert on the test dummy when the car crashes?

• Forward

• Backward

• Up

• Down

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NGSS.MS-PS2-1

The picture shows a driver fastened in a car seat. Based on Newton’s third law, which arrow represents the force that the seat belt would exert on the drivers body if he crashed into something?

• A

• B

• C

• D

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NGSS.MS-PS2-1

The picture shows a driver fastened in a car seat. Based on Newton’s third law of action/reaction, which arrow represents the force that the seat belt would exert on the drivers body if he crashed into something?

• A

• B

• C

• D

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NGSS.MS-PS2-1

Charlie and Sarah are moving a new couch into their home. The image shows the forces and direction they are using. Which of the following statements accurately describe the forces? Select TWO correct answers.

• The forces are balances.

• The forces are unbalanced.

• The net force is 33 N.

• The net force is 189 N.

• The net force is 23 N.

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NGSS.MS-PS2-2

1. Two toy cars are pushed down a track. Car A has a mass of 15 g, and Car B has a mass of 20 g. They are pushed down the track with equal force. How will they accelerate?

• 1. Car A will accelerate more because it has less mass.

• 1. Car B will accelerate more because it has more mass.

• 1. Cars A and B will accelerate the same amount because mass doesn’t affect acceleration.

• 1. Cars A and B will not accelerate.

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NGSS.MS-PS2-2

Fill in the blanks to correctly describe the relationship between frequency and wavelength in a wave.

As frequency _________, wavelength _________.

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NGSS.HS-PS4-1

Which of the following correctly describes the relationship between wavelength and frequency in a wave?

• As wavelength decreases, frequency increases.

• As wavelength increases, frequency increases.

• As wavelength increases, frequency decreases.

• As wavelength decreases, frequency decreases.

As frequency increases, wavelength decreases.

• True

• False

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