Naoki's bicycle has a mass of 8 kg. If Naoki sits on her bicycle and starts pedaling with a force of 191.4 N, causing an acceler

Question

3 years ago

12

ation of 2.9 m/s2, what is Naoki's mass?

1 answer:

VladimirAG [237] · Answer 1 · 2022-07-29T15:36:28+03:00

58kg

Explanation:

Given parameters:

Mass of bicycle = 8kg

Total force exerted = 191.4N

Acceleration = 2.9m/s²

Unknown:

Naomi's mass = ?

Solution:

Force is a product of mass and acceleration as sated in the second law of newton.

Force = mass x acceleration

Total force on the bicycle = total mass x acceleration

191.4 = (8 + k) 2.9

8 + k = $\frac{191.4 }{2.9}$ = 66

K = 66 - 8 = 58kg

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