Simple Machines

Front

What is an inclined plane?

Back

An inclined plane is a flat surface that is raised higher at one end, allowing objects to be moved up or down with less effort.

Front

What simple machine is used to lift heavy objects with a rope and wheel system?

Back

A pulley.

Front

What is the function of a wedge in simple machines?

Back

A wedge is an object that is wide at one end and pointed at the other, used to cut or split objects.

Front

Define a lever in the context of simple machines.

Back

A lever is a bar that moves around a fixed point (fulcrum) to push, pull, or move objects.

Front

What is the purpose of a screw in simple machines?

Back

A screw is an inclined plane wrapped around a cylinder, used to hold objects together or lift materials.

Front

How does a wheel and axle function as a simple machine?

Back

A wheel and axle consists of a larger wheel attached to a smaller axle, allowing for easier movement of objects over distances.

Front

What is the mechanical advantage of using simple machines?

Back

Mechanical advantage is the factor by which a machine multiplies the force put into it, making it easier to perform work.

Front

Explain the concept of work in relation to simple machines.

Back

Work is defined as the force applied to an object times the distance the object moves in the direction of the force.

Front

What is the difference between a fixed pulley and a movable pulley?

Back

A fixed pulley is anchored in place and changes the direction of the force, while a movable pulley moves with the load and reduces the amount of force needed to lift it.

Front

How does a compound machine differ from a simple machine?

Back

A compound machine is made up of two or more simple machines working together to perform a task.