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P a Simple Pendulum Having a Bob of Mass M is Suspended from the Ceiling of a Car Used in a Stunt Film Shooting. - Physics

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Question

A simple pendulum having a bob of mass m is suspended from the ceiling of a car used in a stunt film shooting. the car moves up along an inclined cliff at a speed v and makes a jump to leave the cliff and lands at some distance. Let R be the maximum height of the car from the top of the cliff. The tension in the string when the car is in air is  

  • mg 

  • \[\text{ mg} - \frac{\text{mv}^2}{\text{R}}\]

  • \[\text{mg} + \frac{\text{mv}^2}{\text{R}}\]

  • zero.

Solution

zero
When the car is in air, the acceleration of bob and car is same. Hence, the tension in the string will be zero.

  Is there an error in this question or solution?
Solution P a Simple Pendulum Having a Bob of Mass M is Suspended from the Ceiling of a Car Used in a Stunt Film Shooting. Concept: Circular Motion.
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