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In case of force oscillations of a body...

In case of force oscillations of a body

A

driving force is constant throughout.

B

driving force is to be applied only momentarily

C

driving force has to be periodic and continuous

D

driving force is not required.

Text Solution

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The correct Answer is:
To solve the question regarding force oscillations of a body, we need to analyze the options provided and determine which one correctly describes the nature of the driving force in forced oscillations. ### Step-by-Step Solution: 1. **Understanding Forced Oscillations**: - Forced oscillations occur when an external periodic force is applied to a system. This force causes the system to oscillate at the frequency of the applied force, rather than its natural frequency. 2. **Analyzing the Options**: - **Option 1**: Driving force is constant throughout. - This option suggests that the force does not change over time, which contradicts the nature of forced oscillations that require periodicity. - **Option 2**: Driving force is not applied, is to be applied only momentarily. - This option implies that the force is not consistently applied, which does not align with the definition of forced oscillations. - **Option 3**: Driving force has to be periodic and continuous. - This option states that the driving force must vary in a periodic manner and be consistently applied, which is a characteristic of forced oscillations. - **Option 4**: Driving force is not required. - This option is incorrect as forced oscillations specifically require an external driving force. 3. **Conclusion**: - Based on the analysis, the correct answer is **Option 3**: Driving force has to be periodic and continuous. ### Final Answer: The correct option is **Option 3: Driving force has to be periodic and continuous**.
To solve the question regarding force oscillations of a body, we need to analyze the options provided and determine which one correctly describes the nature of the driving force in forced oscillations. ### Step-by-Step Solution: 1. **Understanding Forced Oscillations**: - Forced oscillations occur when an external periodic force is applied to a system. This force causes the system to oscillate at the frequency of the applied force, rather than its natural frequency. 2. **Analyzing the Options**: ...
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