Forces

It is defined as a push or a pull.

• Elements

• Force

• Friction

• Fracture

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

It is defined as forces that are equal in magnitude.

• Unbalanced Forces

• Forces

• Balanced Forces

• Net force

It is defined as forces that are not equal in magnitude.

• Unbalanced Forces

• Forces

• Balanced Forces

• Friction

Tags

NGSS.MS-PS2-2

Use the picture as reference. If the force of the girl pushing is 30N, and the force of the boy who is also pushing is 30N, what is the net force?

• 0N

• 60N

• 900N

• 1N

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Use the picture as reference. If the force of the girl pushing is 20N, and the boy who is also pushing is 15N, what is the net force?

• 5N

• 300N

• 35N

• 1.33N

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

If you apply an unbalanced force to an object at rest, what will happen to that object?

• the object will remain at rest.

• the object will move.

• The object will stay.

• None of the above.

Tags

NGSS.MS-PS2-2

If all forces acting on an object have equal magnitudes, what is the state of that object?

• the object is at rest.

• the object is moving.

• The object is accelerating.

• None of the above.

What operation do we use when forces acting on an object have the same direction?

• division

• multiplication

• subtraction

• addition

What operation do we use when forces acting on an object have the opposite directions?

• division

• multiplication

• subtraction

• addition

Beri and Ria are pulling a wagon, the force exerted by Beri is 45N and the force exerted by Ria is 12N. If the two girls are pulling on the same direction, what is the net force?

• 540N

• 3.75N

• 33N

• 57N

Tags

NGSS.MS-PS2-2