Forces Review

What force allows planets to orbit around the sun?

• Magnetic force

• Static Friction

• Force of gravity

• Fluid Friction

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

The net force of balanced forces always equals ____

Tags

NGSS.HS-PS2-2

The mass of these 5 balls are the same. Which two balls have the strongest gravitational pull towards each other?

• 1 and 4

• 1 and 3

• 2 and 3

• 3 and 5

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-2

What is the momentum of a 1,800-kilogram car traveling at 10 meters per second southwest?

• 180,000 kg x m/s southwest

• 18,000 kg x m/s southwest

• 180 kg x m/s southwest

• 18 kg x m/s southwest

Tags

NGSS.HS-PS2-2

Object 1 (the blue ball) is dropped and Object 2 (the green ball) is thrown from the same height. Without air resistance, which object will hit the ground first?

• Object 1 (blue ball)

• Object 2 (green ball)

• The two objects will fall at the same rate

Tags

NGSS.MS-PS2-4

What happens to the total momentum after the white ball collides with the red ball?

• It increases

• It decreases

• It is conserved / remains the same

Tags

NGSS.MS-PS2-1

Air resistance is a type of _____ friction

Equal forces acting on an object in the SAME direction

• Balanced forces

• Inertia

• Gravity

• Unbalanced forces

To find the net force, I have to _____ unbalanced forces in the same direction

• add

• substract

• multiply

• divide

Tags

NGSS.MS-PS2-2

The tendency of an object to resist changes in motion is called ...

• Gravity

• Inertia

• Friction

• Momentum