Balanced Forces

Which of the answer choices is not a characteristic of a balanced force?

• no change in motion

• moving at a constant speed

• causes a change in motion

• net force of zero

If an object is not moving the forces acting upon it are _____________

Are the forces acting on the object balanced or unbalanced? The man does a flip on the fly board.

(a)  

• unbalanced

• balanced

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

How will this object move?

• It will not move

• It will move in both directions

• It will move to the right

• It will move to the left

Answer explanation

When two forces act on an object in opposite directions, their forces are subtracted from each other.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Balanced forces causes

• speed of an object

• change in motion

• no change in motion

• no friction on object

The forces represented by the arrows in the diagrams are applied to the four objects that are at rest on a table. Which object is most likely to move to the right?

• Object W

• Object X

• Object Y

• Object Z

Tags

NGSS.MS-PS2-2

A ____________ is a push or a pull on an object.

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

Are forces balanced or unbalanced when a plane is moving at a constant speed in a straight line?

• Balanced

• Unbalanced

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Are the forces acting on the rope balanced or unbalanced?

• Balanced

• Unbalanced

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which of the following scenarios best illustrates balanced forces?

• A book resting on a table

• A car accelerating on a highway

• A ball falling from a height

• A rocket launching into space