Question

What data are needed to calculate the actual mechanical advantage of a machine? efficiency and force of friction input distance and output distance work input and work output input force and output force

Answer 1

input force and output force

Answer 2

Answer;

input force and output force

Step-by-step explanation;

• Mechanical advantage of a machine is the number of times that the machine increases an input force.
• Actual mechanical advantage is equal to the ratio of the output of force to the input of force .
• ideal mechanical advantage is the mechanical advantage take place in the absence of friction. ideal mechanical advantage = input distance/output distance
• Because friction is always present, the actual mechanical advantage is always less than the ideal mechanical advantage .