Machines and Mechanical Advantage Flashcard Retake

Front

What is a load in the context of machines?

Back

An object being lifted or moved.

Front

How much work is done when 800 Newtons of force moves a distance of 20 meters?

Back

16,000 J

Front

How is work defined?

Back

The transfer of force over a distance.

Front

What is the mechanical advantage of a block and tackle that lifts a bale of cotton?

Back

2

Front

What is the unit of measurement for work?

Back

Joules.

Front

What is mechanical advantage?

Back

The ratio of the output force to the input force in a machine.

Front

What is the formula for calculating work?

Back

Work = Force x Distance.

Front

What does a fulcrum do in a lever system?

Back

It is the pivot point around which the lever rotates.

Front

What is the difference between input force and output force?

Back

Input force is the force applied to a machine, while output force is the force exerted by the machine.

Front

What is the significance of Joules in physics?

Back

It is the unit of work or energy.