Question

State whether the given statement is True or False :

The velocity ratio of a block and tackle system is always equal to the number of strands of the tackle supporting the load.

• A. True
• B. False

Answer 1

The correct option is A True

For an Ideal Machine the machanical advantage is ,,$MA=\frac{F{}_{out}}{F{}_{in}}$and For N number of strings the $NF{}_{out}$.Therefore $MA=N$. And We know That for ideal machine the MA=VR. Hence VR=N.
Hence Statement Is $True$