Simple machine grade 5

Front

What are simple machines?

Back

Simple machines are devices that can be put together in different ways to make complex machinery. They help in reducing the amount of effort needed to perform work.

Front

What is an example of two inclined planes put together?

Back

Wedges are formed by putting two inclined planes together.

Front

What type of simple machine do gears belong to?

Back

Gears are a form of wheels and axles.

Front

What is the primary function of a simple machine?

Back

The primary function of a simple machine is to make tasks easier by reducing the amount of force needed to perform work.

Front

Can you name a simple machine that changes the direction of force?

Back

A pulley is a simple machine that changes the direction of force.

Front

What is a lever?

Back

A lever is a simple machine that consists of a rigid bar that pivots around a fixed point called the fulcrum.

Front

How does a wheel and axle work?

Back

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

Front

What is the mechanical advantage of using simple machines?

Back

The mechanical advantage of using simple machines is that they allow a smaller input force to lift a larger load.

Front

What is an example of a simple machine that can lift heavy objects?

Back

A crane is an example of a simple machine that can lift heavy objects using pulleys and levers.

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 input force needed.