8.6A Pre-assessment

Which force produces a change in motion?

• unbalanced force
• balanced force
• gravitational force
• frictional force

What is a force that opposes motion between two surfaces?

• friction
• acceleration
• velocity
• motion

If these boys are pulling with the same amount of force.  What will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.

What is the net force on the block? (click on the words to view the picture)

• 5 Newtons up
• 5 Newtons down
• 15 Newtons up
• 15 Newtons down

Tags

NGSS.3-PS2-1

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.3-PS2-1