Foundational Physics Concepts Quiz #1 Review

A place or object used for comparison to determine if another object is in motion is called a -

• comparison point

• reference point

• point of view

• motion detector

Are forces balanced or unbalanced when a plane is moving at a constant speed in a straight line?

• Balanced
• Unbalanced

Tags

NGSS.HS-PS2-1

At A the speed of the ball increases. At B, speed decreases. At C, speed is constant. Which points does the ball experience unbalanced forces?

• A and B
• B and C
• A and C
• A, B and C

Tags

NGSS.HS-PS2-1

Calculate the Net Force.

• 60 N to the left

• 30 N to the left

• 30 N to the right

• 60 N to the right

Tags

NGSS.MS-PS2-2

What is the net force shown in the image?

• 20 N to the left

• 35 N to the left

• 0 N

• 55 N to the right

Tags

NGSS.MS-PS2-2

What will the resulting motion of this object be due to the forces that are acting upon it?

• It won't move.

• It will move to the right.

• It will move to the left.

• It will move upward.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

What causes objects to change motion?

• Unbalanced forces

• Balanced forces

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-5

Why is it more difficult for Person B to move down the hill than Person A?

• There's more friction between the ground and Person B than there is for person A.

• There's less friction between the ground and Person B than there is for person A.

• There's the same amount of friction between the ground for both Person A and B.

• Person B is experiencing higher levels of air resistance than Person A.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-5

What are balanced forces?

• Forces in the same direction

• Forces of identical magnitude (size)

• Forces of the same size in opposite directions

• Forces of different sizes in the same direction

Everything on Earth is pulled toward Earth's core due to -

• Gravity

• Friction

• Normal force

• Contact force

Tags

NGSS.MS-PS2-4