Exit Check 2.3 - 2nd Law

2.3.1

Which of the following best describes how Newton's second law predicts what will happen to the acceleration of an object when the mass of an object increases?

• If the mass increases the object will accelerate more.

• If the mass increases the object's acceleration will not change.

• The acceleration should decrease when the mass increases

• If the mass increases, the force increases as well.

Answer explanation

This question links to success criteria 2.3.1: I can describe the relationship between net force, mass and acceleration.

If you got it correct place a check mark in the question results section. If you got it incorrect place an X in that section. If this was a redemption question, cross out the one X and replace it with a check mark.

Tags

HS-PS2-A-1

2.3.1

Which of the following best describes how Newton's second law predicts what will happen to the acceleration of an object when the net force acting on object increases?

• If the net force increases the object will accelerate more.

• If the net force increases the object's acceleration will not change.

• The acceleration should decrease when the net force increases

• If the mass increases, the net force increases as well.

Answer explanation

This question links to success criteria 2.3.1: I can describe the relationship between net force, mass and acceleration.

If you got it correct place a check mark in the question results section. If you got it incorrect place an X in that section. If this was a redemption question, cross out the one X and replace it with a check mark.

Tags

HS-PS2-A-1

2.3.1

In order for the acceleration of an object to decrease which of the following must happen (select both correct options).

• The net force acting on the object increases.

• The net force acting on the object decreases.

• The mass of the object increases (mass is added to the object).

• The mass of the object decreases (mass is removed from the object).

Answer explanation

This question links to success criteria 2.3.1: I can describe the relationship between net force, mass and acceleration.

If you got it correct place a check mark in the question results section. If you got it incorrect place an X in that section. If this was a redemption question, cross out the one X and replace it with a check mark.

Tags

HS-PS2-A-1

2.3.1

Which of the following mathematically describe Newton's Second Law? There can be more than one correct option.

Answer explanation

This question links to success criteria 2.3.1: I can describe the relationship between net force, mass and acceleration.

If you got it correct place a check mark in the question results section. If you got it incorrect place an X in that section. If this was a redemption question, cross out the one X and replace it with a check mark.

Tags

HS-PS2-A-1

2.3.2

If the net force acting on an object is multiplied by 3, and the mass of the object stays the same, what happens to the acceleration of the object?

• The acceleration stays the same because the mass stayed the same

• The acceleration is multiplied by 3

• The acceleration increases by 3 because of addition

• The acceleration is divided by 3

Answer explanation

This question links to success criteria 2.3.2: I can determine how a change to force, mass or acceleration will affect the other quantities.

If you got it correct place a check mark in the question results section. If you got it incorrect place an X in that section. If this was a redemption question, cross out the one X and replace it with a check mark.

Tags

HS-PS2-A-1

2.3.2

If stuff is added to increase an object's mass to three times what it was before, but the net force used to accelerate the object stays the same, what happens to the acceleration of the object?

• The acceleration stays the same because the net force the same

• The acceleration is multiplied by 3

• The acceleration is divided by 3

Answer explanation

This question links to success criteria 2.3.2: I can determine how a change to force, mass or acceleration will affect the other quantities.

If you got it correct place a check mark in the question results section. If you got it incorrect place an X in that section. If this was a redemption question, cross out the one X and replace it with a check mark.

Tags

HS-PS2-A-1

2.3.2

If an object's mass is tripled, predict the change in force needed to keep its acceleration the same.

• The force will not need to change because the acceleration has not changed.

• The force will need to be 3 times as big.

• The force will need to be 1/3 as big.

• The force will need to be 9 times as big.

Answer explanation

This question links to success criteria 2.3.2: I can determine how a change to force, mass or acceleration will affect the other quantities.

If you got it correct place a check mark in the question results section. If you got it incorrect place an X in that section. If this was a redemption question, cross out the one X and replace it with a check mark.

Tags

NGSS.MS-PS2-2

2.3.3

An 5kg object is being pushed with a net force of 10N. Which of the following shows the correct resulting acceleration?

Answer explanation

This question links to success criteria 2.3.3: I can use Newton’s 2nd Law to solve for an unknown quantity.

If you got it correct place a check mark in the question results section. If you got it incorrect place an X in that section. If this was a redemption question, cross out the one X and replace it with a check mark.

Tags

HS-PS2-A-1

• 9.0 kg

• 4.0 kg

• 0.25 kg

• 4.5 kg

Answer explanation

This question links to success criteria 2.3.3: I can use Newton’s 2nd Law to solve for an unknown quantity.

If you got it correct place a check mark in the question results section. If you got it incorrect place an X in that section. If this was a redemption question, cross out the one X and replace it with a check mark.

Tags

HS-PS2-A-1

• 10.3 N

• 6.9 N

• 0.14 N

• 11.7 N

Answer explanation

This question links to success criteria 2.3.3: I can use Newton’s 2nd Law to solve for an unknown quantity.

If you got it correct place a check mark in the question results section. If you got it incorrect place an X in that section. If this was a redemption question, cross out the one X and replace it with a check mark.

Tags

HS-PS2-A-1