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OpenStudy (anonymous):
How much force is needed to stop a 100-kg football player if he decelerates at 20 m/s²? A. 20 N B. 2000 N C. 200 N D. 5 N
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OpenStudy (anonymous):
Formula for force is F = ma You have 100kg as mass, and acceleration is 20m/s^2 Therefore F = 100*20 = 2000 answer is B
OpenStudy (anonymous):
Thank you so much!
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