Let's Do Science 3 – Text Book B

Page 128

Think Deeply An object in space can remain in motion with no forces acting upon it. Explain why this is so.

du ca tio n

Balanced and Unbalanced an Forces In a game of tug-of-war, one team am pulls ulls the th rope in one direction and the other er team pulls pull the rope in the opposite direction. ction. What happens hap ha if both teams pull with the same ame force? What W happens when one team m pulls with a stronger str force than the other team? am? When both teams use the same amount of am a force in opposite directions, cancel ctions, the forces fo each other out. They forces. ey are balanced balan When the forces orcess acting on an object are balanced,, there change in motion. ere is no cha ch

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