Motion and Forces Quizizz

What is a force?

• A type of energy

• A push or pull that one object exerts on another

• A measure of mass

• A form of heat

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What are the SI units of force?

• Joules (J)

• Kilograms (kg)

• Newtons (N)

• Meters (m)

Which of the following best describes a vector?

• It has only size

• It has only direction

• It has both size and direction

• It has neither size nor direction

What can a force cause an object to do?

• Change its color

• Change its motion

• Change its temperature

• Change its shape

Tags

NGSS.MS-PS2-2

What is the net force when two forces of 45 N each act in opposite directions on an object?

• 90 N

• 45 N

• 0 N

• 10 N

Tags

NGSS.MS-PS2-2

What are balanced forces?

• Forces that are unequal in size and opposite in direction

• Forces that are equal in size and opposite in direction

• Forces that are equal in size and same in direction

• Forces that are unequal in size and same in direction

Tags

NGSS.MS-PS2-2

What is the net force when two forces of 30 N and 5 N act in opposite directions?

• 35 N

• 25 N

• 5 N

• 0 N

Tags

NGSS.MS-PS2-2

If two forces of 20 N each act in the same direction, what is the net force?

• 20 N

• 0 N

• 40 N

• 10 N

Tags

NGSS.MS-PS2-2

What happens to an object when unbalanced forces act on it?

• It remains stationary.

• It moves in the direction of the smaller force.

• It moves in the direction of the larger force.

• It moves randomly.

Tags

NGSS.MS-PS2-2

What is friction?

• A force that opposes the sliding motion of two surfaces in contact

• A force that attracts two surfaces together

• A force that increases the speed of an object

• A force that decreases the mass of an object