A lift moving upwards with a uniform acceleration of 5\(ms^{-2}\) carries a body of mass...
FURTHER MATHEMATICS
WAEC 2006
A lift moving upwards with a uniform acceleration of 5\(ms^{-2}\) carries a body of mass p kg. If the reaction on the floor is 480 N, find the value of p. [Take g = \(10 ms^{-2}\)].
- A. 32
- B. 36
- C. 48
- D. 64
Correct Answer: A. 32
Explanation
Reacting force - Weight = Net force
R = W + ma = mg + ma
480 = 10p + 5p
480 = 15p
p = 32 kg
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