Question

Fill in the blanks with suitable words related to machines and tools.

[ Lever , Pulley , Wheel Barrows , wheel , wedges , Ball bearing ]

1. A ____ is a combination of a bar and a fulcrum.

2. Seesaws and ____ are examples of levers.

3. A ____ is a simple machine consisting of a rope , a grooved wheel and a weight.

4. ____ was one of the most important inventions in history.

5. Lubricants and ____ are both used for reducing friction.

6. Axes and knives are examples of ____.​

Answer 1

1. Lever
2. Wheel barrows
3. Pulley
4. Wheel
5. Ball bearing
6. Wedges

Explanation:

1. A lever is a combination of a bar and a fulcrum.

2. Seesaws and wheel barrows are examples of levers.

3. A Pulley is a simple machine consisting of a rope, a grooved wheel and a weight.

4. Wheel was one of the most important inventions in history.

5. Lubricants and ball bearing are both used for reducing friction.

6. Axes and knives are examples of wedges.

hope it helps.

Answer 2

Answer:

Your answer is here:-

Explanation:

1. A Lever is a combination of a bar and a fulcrum.
2. Seesaws and Wheel Barrows are examples of levers.
3. A Pulley is a simple machine consisting of a rope , a grooved wheel and a weight.
4. Wheel was one of the most important inventions in history.
5. Lubricants and Ball bearing are both used for reducing friction.
6. Axes and knives are examples of wedges.

Hope it helps you.