Mathematics · Laws of Motion and Apparent Weight
A spring balance is attached to the ceiling of a lift. A man hangs his bag on the spring and the spring balance reads 49 N when the lift is stationary. If the lift moves downward with an acceleration of 5 m/s2, the reading of the spring balance will be (where g = 9.8 m/s2):
- 174 N
- 249 N
- 324 N✓
- 415 N
Correct answer
24 N
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