Question

Reena is riding a motorised scooter along a straight path. The combined mass of Reena and her scooter is 80 kg. The frictional fore acting total to 45 N. What is the magnitude of the driving force being provided by the motor ifre acting total to 45 N. What is the magnitude of the driving force being provided by the motor if

Answer 1

F = m * a

Force = Mass * Acceleration

Let the acceleration ( speed) be x.

So,

45 N = 80 kg * x km/h

45 = 80 * x

X = 80 /45 = 16/9 = 1.777 = Approximately 1.8 km/h

Answer : Magnitude of the driving force ( Acceleration) ( Speed) is Approximately 1.8 km/h.

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Answer 2

F = m * a

Force = Mass * Acceleration

Let the acceleration ( speed) be x.

So,

45 N = 80 kg * x km/h

45 = 80 * x

X = 80 /45 = 16/9 = 1.777 = Approximately 1.8 km/h

Answer : Magnitude of the driving force ( Acceleration) ( Speed) is Approximately 1.8 km/h.