Class 4 Science Chapter 6 Test 2

The teeth of ______ wheels fit in with each other and move together.

The flag is raised up with the help of _______.

_______ is a simple machine with one end relatively higher than the other.

A ________ is a simple machine that can be used to push or lift heavy objects.

Changing the direction of force makes it easier to work with the _______.

Which machine consists of grooved wheel?

A ________ is a simple machine that consists of grooved wheel and a rope.

What is force?

When a body changes its position, it is called:

To lift objects with the help of pulley, put the effort ________.

The examples of gear are

The lever that turns around a certain point called ________

Water can be easily drawn from a well by using _______.

Everything that makes our work easier is called a __________.

________ allows us to move objects easily from bottom to top and top to bottom.

Ramp is also called

All bodies are attracted towards the Earth due to:

With the help of _______, we can increase and decrease the speed.

If we apply the same force on toy car, it will be travel longer on:

Pulling a weight is ________ than lifting it by pulley.