Balanced and Unbalanced Forces

Multiple Choice

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

• It changes its motion.

• It remains at rest.

• It moves in a circle.

• It disappears.

Multiple Choice

Which of the following is an example of a balanced force?

• A book resting on a table

• A car accelerating on a highway

• A ball being thrown upward

• A person jumping off a chair

Multiple Choice

Which of the following best describes balanced forces?

• They are equal in size and act in opposite directions, causing no change in motion.

• They are unequal in size and cause a change in motion.

• They always act in the same direction.

• They only occur when objects are moving.

Multiple Select

Which of the following situations involve unbalanced forces?

• A van accelerating forward

• A book resting on a table

• A skydiver at terminal velocity

• A person pushing a box and it starts moving

Multiple Choice

Based on the forces shown in the diagram, what will happen to the motion of the car?

• The car will speed up.

• The car will slow down.

• The car will move at a steady speed.

• The car will stop moving.

Open Ended

Describe the difference between balanced and unbalanced forces and give an example of each from the lesson.

Multiple Choice

How do balanced and unbalanced forces affect the motion of objects?

• Balanced forces cause objects to move faster.

• Unbalanced forces keep objects at rest.

• Balanced forces keep objects at rest or moving at constant speed, while unbalanced forces change an object's motion.

• Unbalanced forces have no effect on objects.

Multiple Choice

How will this object move?

• To the left

• To the right

• Not moving

• move both ways

Multiple Choice

Shelly pushes a box 35 N to the right. Nitzia pushes the box 25 N in the same direction. What is the net force?

• 60 N unbalanced to the right

  
  

• 10 N balanced to the right

  
  

• 60 N balanced to the right

  
  

• 10 N unbalanced to the right

  
  

Multiple Choice

Balanced or Unbalanced?

• Equal
• Unbalanced
• Balanced
• Stable