Balanced and Unbalanced Forces

A lamp sitting on a table.

• Balanced Force

• Unbalanced Force

Which could be an example of a balanced force?

• An asteroid moving at a constant speed through space 
• A car accelerating from a stop sign
• A box of dishes falling from a counter 
• A rocket taking off 

Tags

NGSS.MS-PS2-2

Which could be an example of an unbalanced force?

• A plate sitting on a dining table
• A ball at the top of a hill that is not moving
• Earth orbiting the Sun 
• A baseball that has been thrown to home plate.

Tags

NGSS.MS-PS2-2

Which of the following statements is true?

• Balanced forces cause a change in motion.

• Unbalanced forces cause a change in motion.

• Forces do not effect the change in motion.

Tags

NGSS.MS-PS2-2

Are forces balanced or unbalanced when a marble rolls down a ramp?

• Balanced
• Unbalanced

Tags

NGSS.MS-PS2-2

A girl is pushing a cart by herself with a force of 7 N. What will happen if a boy begins to help her and their combined force is 17 N?

• The cart will speed up.
• The cart will slow down.
• The cart will move at a constant speed in a straight line.
• The cart will fly to never never land!

Tags

NGSS.MS-PS2-2

Are forces balanced or unbalanced when skateboarding down a ramp?

• Balanced
• Unbalanced

Tags

NGSS.MS-PS2-2

The tendency of an object at rest to stay at rest unless it is acted upon by a force is called ___________________

• inertia
• motion
• gravity
• lubricant

These forces are...

• Balanced

• Unbalanced

Tags

NGSS.MS-PS2-2

Which of the following is an example of an unbalanced force?

• 
• 
• 
• 

Tags

NGSS.MS-PS2-2