Respuesta :
Mechanical advantage is a measure of how much a machine multiplies the input force. Hence,option B is correct.
What is mechanical advantage ?
Mechanical advantage is a measure of the ratio of output force to input force in a system, it is used to obtained efficiency of the given mechanical machine.
Mechanical advantage = {Output force}/{ Input force}
The mechanical advantage of a machine is a measure of how much the input force is multiplied by it.
Hence,option B is correct.
To learn more about the mechanical advantage, refer to the link;
https://brainly.com/question/7638820
#SPJ2