Question

Will the effort decrease or increase if ma becomes 4 and by how much?

Answer 1

Answer:

if the force has increased by 4,then the effort is increased

Answer 2

Explanation:

The work output can never be greater than the work input. How do machines decrease the amount of force needed to accomplish work? Machines apply force over a greater distance, so less force is needed. ... Because some of the input work is always used to overcome friction in moving parts.