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High School/JEE/NEET/IPhO Physics | 17-19 Yrs

Mechanics

Heat & Thermodynamics

Oscillation & Waves

Properties of Matter

Gravitation

Electrostatics

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HOW TENSION IS EQUAL TO FRICTION IN THIS CASE ?

1 years ago by

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Sir if we make string in straight line then acceleration should be added but you have substracted.. I cant understand

5 years ago by OMESH KUMAR

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how can both the acc.. be in downward direction

6 years ago by Md Zakie Akhtar Ansari

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Sir,'l' is the length of rod also and the distance by the rod also?Not able to understand,please explain!

6 years ago by Manasi Singh

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*distance covered

6 years ago by Manasi Singh

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For the rod of mass M,in the equation of motion i.e.,in the second equation,have you simply substituted 'f' in place of 'T'?Or you have used some other logic?

6 years ago by Manasi Singh

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Sir,while writing the equations of motion,how do we consider which force is smaller and which one is larger?Is the bigger force in that direction in which the body is accelerating?

6 years ago by Manasi Singh

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How can both the accelerations be in downward direction?

6 years ago by Manasi Singh

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Is rod also coming down the string?Or is it moving along the string?

6 years ago by Manasi Singh

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Why is there tension force down the bead?

6 years ago by Manasi Singh

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sir I take that string is just attached to rod at one end then for acceleration of rod friction will not be coming into picture and it is not mentioned in the question as well. Sir I just want to say how I thought immediately after seeing question and I understand your solution sir.

7 years ago by dinesh sai

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SIR HOW FRICTION ACTING ON STRING IS DOWNWARD AND HOW IS IT EQUAL TO TENSION

8 years ago by KAIKALA RAVI KUMAR

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do not think that bead is hung on the string as bead is free to slide on the string as friction on bead acts upward due to sting same friction acts downward on sting due to bead and as sting is mass less the two forces acting on string will be same

7 years ago by Prateek Kumar

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actually i am asking how friction on string is in downward direction

8 years ago by Manav kapur

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sir please tell how friction is equal to tension i am not getting it !

8 years ago by Manav kapur

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Advance Illustration

High School/JEE/NEET/IPhO Physics | 17-19 Yrs

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