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Balanced and Unbalanced Forces
Worksheet
Grade Level
Grade 4
4.2 Balanced and Unbalanced Forces
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Which investigation best tests how surface friction affects the motion of a toy car?
A
Use the same car and same push on different surfaces, then measure how far it travels.
B
Use different cars, different pushes, and different surfaces all at once.
C
Change the color of the car and guess which one is fastest.
D
Measure only the mass of the car without moving it.
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