Balancing Forces Practice

Pushing, pulling, throwing, and kicking are examples of ____ forces.

• Gravitational

• Applied

• Friction

When horses pull the wagons, ​ (a)   exerts the applied force, and it acts upon ​ (b)   .

• the horses
• the wagon

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

When Pat tosses the Frisbee, ​ (a)   exerts the applied force, and it acts upon ​ (b)   .

• Pat
• the Frisbee

Tags

NGSS.MS-PS2-2

Gravity's force is best described as a ​ (a)   ,

so it moves objects ​ (b)   Earth's center.

• pull
• towards
• push
• away from

Tags

NGSS.MS-PS2-4

On Earth, gravity pulls everything towards Earth's center because ___.

• Gravity can only ever pull down.

• The magnets from the core cause the gravity.

• Nothing on Earth is heavier than Earth.

Tags

NGSS.5-PS2-1

Which two are examples of gravity's force?

(Pick 2!)

• Rain falls to Earth's surface

• A ball rolls across the grass.

• A ball falls from the hoop to the court.

• Rain rushes along the streets in a flood.

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

The ____ force acts in the opposite direction to gravity.

• Friction

• Applied

• Normal

The Normal force acts in the opposite direction to ____.

• Gravity

• Motion

Tags

NGSS.MS-PS2-1

A soccer ball is still on the ground. ​ (a)   is pulling the object down, but ​ (b)   is pushing it back up.

• Gravity
• the Normal force
• an Applied force

Tags

NGSS.MS-PS2-4

In most cases on Earth, Gravity will pull the object ​ (a)   , and the Normal force will push the object ​ (b)   .

• down
• up
• left
• right

Tags

NGSS.MS-PS2-4