WAEC - Physics (2024 - No. 27)
The diagram above illustrates two boxes P and Q of masses 27.3 kg and 6.2 kg respectively on a smooth horizontal surface. If a force F of 150 N is applied to the combined forces, calculate the acceleration.
4.5 ms\(^{-2}\)
33.5 ms\(^{-2}\)
70 ms\(^{-2}\)
150 ms\(^{-2}\)
Explanation
Total mass of the two boxes = 27.3 + 6.2 = 33.5kg
F = ma
a = \(\frac{\text{F}}{\text{m}}\) = \(\frac{150}{33.5}\) = 4.4776... ≈ 4.5 ms\(^{-2}\)
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