Force & Motion Review

A force is a:

• Push or pull

• Type of energy

• Form of matter

• Chemical reaction

Tags

NGSS.MS-PS2-1

Balanced forces cause:

• Change in motion

• No change in motion

• Increase in speed

• Decrease in mass

What is the ultimate force holding everything together in the universe?

• Friction

• Magnetism

• Gravity

• Electricity

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

What is net force?

• The total force acting on an object

• The force of gravity on an object

• The force of friction on an object

• The force of magnetism on an object

Tags

NGSS.MS-PS2-2

The 2nd law states there is a relationship between force, mass, and:

• Speed

• Distance

• Acceleration

• Time

Tags

NGSS.MS-PS2-2

What is the formula for speed?

• S = M/T

• S = D/T

• S = T/D

• S = D*M

Tags

NGSS.MS-PS3-1

How does a seatbelt prevent injuries in a car?

• By providing a force in the opposite direction

• By increasing speed

• By reducing friction

• By changing direction

What force do you need to overcome to lift an object from the floor?

• Friction

• Magnetism

• Gravity

• Inertia

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

If forces are exerted in opposite directions, you:

• Subtract them

• Add them

• Multiply them

• Divide them

Tags

NGSS.MS-PS2-2

What does F=MA represent?

• Force equals mass times acceleration

• Force equals mass times area

• Force equals momentum times acceleration

• Force equals mass times altitude

Tags

NGSS.MS-PS2-2