Responses
They magnify the force being applied, thereby decreasing the work they can do with no extra energy exerted by the person using the machine.
They magnify the force being applied, thereby decreasing the work they can do with no extra energy exerted by the person using the machine.
They decrease the distance needed between a person and an object, allowing the person to apply more force and do more work.
They decrease the distance needed between a person and an object, allowing the person to apply more force and do more work.
They increase the distance over which a force is needed, doing more work with less force.
They increase the distance over which a force is needed, doing more work with less force.
They reduce the amount of force needed to move an object to do the same amount of work.
1 answer
The correct response is:
They reduce the amount of force needed to move an object to do the same amount of work.
Simple machines, such as levers, pulleys, and ramps, allow a person to use less force to accomplish the same amount of work by altering the magnitude and direction of the force applied.
