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OpenStudy (summersnow8):
2) A cyclist and her bicycle (combined mass of 75.0 kg) apply a force of 34.2 N. If the frictional force is -23.5 N, what will be the acceleration of the bicycle (in m/s2)?
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OpenStudy (anonymous):
The total force is the vector sum of all forces. Frictional force is opposite to the driving force. Ftotal = 34.2N-23.5N From newtons II law: Force = mass * acceleration you can get Force / mass = acceleration You know the total force and you know the mass. So you also can know the acceleration.
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