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Calculate the acceleration of the bicycle of mass 25 kg as shown in Figures 1 and 2. |
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Answer» Given: Mass of bicycle m = 25 kg Fig. I: Net force acting in the forward direction, F = 500 – 400 = 100 N acceleration a = \(\frac{F}{m}\) = \(\frac{100}{25}\) = 4ms-2 Fig. II: Net force acting on bicycle F = 400 – 400 = 0 ∴ acceleration a = \(\frac{F}{m}\)= \(\frac{0}{25}\) = 0 |
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