Simple Machines

Front

What is a simple machine?

Back

A simple machine is a device that makes work easier by allowing us to apply force in a more efficient way. Examples include levers, pulleys, and inclined planes.

Front

What is the trade-off when using simple machines?

Back

The trade-off is that while the input force needed to move an object is reduced, the distance the object is moved is increased.

Front

What is a wheel and axle?

Back

A wheel and axle is a type of simple machine that consists of a larger wheel attached to a smaller axle, allowing for easier movement of objects.

Front

What is a fulcrum?

Back

The fulcrum is the fixed point around which a lever rotates.

Front

How is work defined in physics?

Back

Work is defined as the product of force and distance when a force causes an object to move. It is measured in joules (J).

Front

If no movement occurs, how much work is done?

Back

If no movement occurs, the work done is 0 joules (0J).

Front

What is an inclined plane?

Back

An inclined plane is a flat surface that is tilted at an angle to help lift objects with less effort.

Front

How do you calculate work done?

Back

Work done (W) is calculated using the formula W = Force (F) x Distance (d).

Front

What is a pulley?

Back

A pulley is a simple machine that consists of a wheel on an axle or shaft that is designed to support movement and change the direction of force.

Front

What is the relationship between force, distance, and work?

Back

The relationship is that work is done when a force is applied to move an object over a distance.