Understanding Balanced and Unbalanced Forces

What is the net force on an object when the forces are balanced?

• Zero

• Greater than zero

• Less than zero

• Equal to the weight of the object

Tags

NGSS.HS-PS2-1

What happens to an object when unbalanced forces act on it?

• It changes its motion

• It remains at rest

• It moves in a circular path

• It becomes weightless

Tags

NGSS.MS-PS2-2

Which of the following scenarios is an example of balanced forces?

• Two people pushing a box from opposite sides with equal force

• A car accelerating on a highway

• A ball falling from a height

• A rocket launching into space

Who developed the laws of motion that help us understand forces?

• Sir Isaac Newton

• Albert Einstein

• Galileo Galilei

• Nikola Tesla

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Determine whether each scenario is a BALANCED or UNBALANCED force.

Groups:

(a) Balanced

,

(b) Unbalanced

• 
• Net Force= 15 N

• A cell phone resting on a counter

• Pushing a lawnmower across the yard

• 
• Net Force= 0 N

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2