Class 4 Science Chapter 6 Test 2

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

All bodies are attracted towards the Earth due to:

Lever, pulley, gear and ramp (inclined plane) are ________ machine.

Pulling a weight is ________ than lifting it by pulley.

Ramp is also called

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

Everything that makes our work easier is called a __________.

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

________ is a simple machine which consists of toothed wheels of different sizes.

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 _______.

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

What is force?

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

The load is lifted up by applying force (effort) on one end of the rope passing over the _________.

Which machine consists of grooved wheel?

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

When a body changes its position, it is called:

The lever that turns around a certain point called ________

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