Section: Solid Mechanics | Marks: 1
A rocket in the atmosphere is accelerating upwards with acceleration a m/s2. The natural frequency of a spring-mass system (with mass m kg and spring constant k N/m), suspended vertically inside the rocket, is (take g m/s2 to be the acceleration due to gravity)
- A. ( ) ; k k k m <
- B. k m
- C. kg ma
- D. (1 ) k a m g − C B A F P E, I K L (i) E, 2.0 I P (ii) 0.7L E, I P (iii) 0.51 L P E, I L (iv)
Answer: B. k m