A bicycle takes 8 seconds to accelerate at a constant rate from rest to a speed of 4 m/s. If the mass of the bicycle and rider together is 85 kg, what is the net force acting on the bicycle?

Question

Physics

Frida Contreras

29 January, 20:54

A bicycle takes 8 seconds to accelerate at a constant rate from rest to a speed of 4 m/s. If the mass of the bicycle and rider together is 85 kg, what is the net force acting on the bicycle?

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Answers (1)

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Adalyn Preston · Answer 1

Force, F = ma

F = m (v-u) / t

Where F is force in Newtons, m = mass in kg = 85kg, v = final velocity, = 4m/s, u = initial velocity = 0 m/s, t = time = 8 seconds.

F = 85 * (4 - 0) / 8 = 42.5

Force = 42.5 N