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Standard X

Physics

Multiple Movable Pulley

A block and t...

Question

A block and tackle system has $5$ pulleys. If an effort of $1000 N$ is needed in the downward direction to raise a load of $4500 N$ . What is the mechanical advantage ?

4.5

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Solution

The correct option is A $4.5$
Effort ( $E$ )= $1000 N$
Load ( $L$ )= $4500 N$

So from the definition of mechanical advantage (MA) = $\frac{L}{E}$ = $\frac{4500}{1000}$ = 4.5

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A block and tackle system has 5 pulleys. If an effort of 1000N is needed in the downward direction to raise a load of 4500N. What is the mechanical advantage ?

The correct option is A 4.5Effort (E)=1000N Load (L)=4500NSo from the definition of mechanical advantage (MA) =LE = 45001000 = 4.5

A block and tackle system has $5$ pulleys. If an effort of $1000 N$ is needed in the downward direction to raise a load of $4500 N$ . What is the mechanical advantage ?

The correct option is A $4.5$
Effort ( $E$ )= $1000 N$
Load ( $L$ )= $4500 N$

So from the definition of mechanical advantage (MA) = $\frac{L}{E}$ = $\frac{4500}{1000}$ = 4.5