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What is the mechanical advantage of single fixed pulley?

  • Option 1)

    1

  • Option 2)

    2

  • Option 3)

    0.5

  • Option 4)

    4

 

Answers (1)

best_answer

As we discussed in

Motion of connected blocks over pulley -

Equation of motion for   m_{1}

F_{net}=T-m_{1}g=m_{1}a

Equation of Motion for   m_{2}

F_{net}=m_{2}g-T=m_{2}a

 

- wherein

a=\frac{[m_{2}-m_{1}\:]g}{m_{1}+m_{2}}

T=\frac{2m_{1}m_{2}\:g}{m_{1}+m_{2}}


 

 

 


Option 1)

1

Correct

Option 2)

2

Incorrect

Option 3)

0.5

Incorrect

Option 4)

4

Incorrect

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Plabita

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