What is a force?

• A measure of mass

• A push or pull on an object

• A type of motion

• A type of energy

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which of the following is a non-contact force?

• Friction

• Gravity

• Compression

• Applied force

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

How is a pushing force also known?

• Gravity

• Tension

• Compression

• Friction

Tags

NGSS.MS-PS2-1

What is the net force if two people push an object with 100 N and 60 N in the same direction?

• 100 N

• 60 N

• 160 N

• 40 N

Tags

NGSS.MS-PS2-2

What is a Freebody Diagram (FBD) used for?

• To calculate mass

• To determine speed

• To simplify the representation of forces on an object

• To measure forces

Tags

NGSS.MS-PS2-5

If one person pushes a box to the right with 100 N and another person pushes to the left with 60 N, what is the net force?

• 160 N to the right

• 40 N to the right

• 60 N to the left

• 100 N to the left

Tags

NGSS.MS-PS2-2

What happens to the net force when forces are applied in opposite directions?

• They have no effect

• They add up

• They cancel each other out partially

• They double

Tags

NGSS.HS-PS2-1

What additional force is considered when an object is on a rough surface?

• Tension

• Compression

• Friction

• Gravity

What is the net force if you push a box with 100 N to the right, your friend pushes with 60 N to the left, and there is a frictional force of 40 N to the left?

• 100 N to the right

• 60 N to the left

• 0 N

• 40 N to the right

Tags

NGSS.MS-PS2-2

What does it mean when the net force on an object is zero?

• The object is accelerating

• The object is decelerating

• The forces are balanced

• The object is moving

Tags

NGSS.HS-PS2-1