How to Draw Class 11 Physics Chapter 14 Oscillations Diagram. By Seekh Raha Hoon
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Solutions Class 11 Physics Chapter 14 Oscillations
Figure (a) shows a spring of force constant k clamped rigidly at one end and a mass m attached to its free end.
Question 13.
Figure (a) shows a spring of force constant k clamped rigidly at one end and a mass m attached to its free end. A force F applied at the free end stretches the spring. Figure (b) shows the same spring with both ends free and attached to a mass m at either end. Each of the spring in figure (b) is stretched by the same force F.
(a) What is the maximum extension of the spring in the two cases.
(b) If the mass in figure (a) and the two masses in figure (b) are released free, what is the period of oscillation in each case?
Answer:
Here, k = force constant of the spring.
m = mass attached to free ends.
F = force applied at the free end.
Case (1):
(a) Let a = acceleration produced in the mass ‘m’ attached to the free end due to the force F applied.
∴ F = ma ……………………… (i)
Let y1 be the extension produced in the spring in Fig. (a).
F = - ky1 ………………….. (ii)
∴ From (i) and (ii), we get
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