Science

8th

grade

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Friction and Net Forces

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20 questions

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  • 1. Multiple Choice
    30 seconds
    5 pts

    What is the SI unit used to measure force?   

    Grams 
    Liters
    Pounds 
    Newtons 
  • 2. Multiple Choice
    30 seconds
    5 pts
    You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.
    20N 
    40N 
    10N 
    70N
  • 3. Multiple Choice
    30 seconds
    5 pts
    To calculate net force, when forces are acting in the same direction, the forces are ...
    added 
    subtracted 
    mutiplied 
    divided 
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