Question

Write about 5 applications related to force, pressure and friction in agriculture each.​

Answer 1

Syringes are used to take blood for blood tests. The pressure of the liquid (blood) forces the liquid to move into the syringe when its plunger is withdrawn. When air is sucked out of a drinking straw, the air pressure inside if decreases and the atmospheric pressure outside forces the liquid to go inside the straw.

Answer 2

Answer:

Application of Pressure :

1 Air pressure in car tire supports the weight of the car

2 Sucking a drink through a straw - fluid flows because of pressure difference.

3 Aircraft fly because of the air pressure on the wings

Application of friction :

1. Friction enables us to walk/run.
2. Friction enables us to write on surfaces.
3. Friction reduced the impact of a meteor hitting Earth.
4. Friction enables us to fix a nail to the wall.

Application of force :

1. The force of a bat on the ball.
2. The force of the hair brush on hair when it is being brushed.
3. The force of your foot pushing on the pedal when you ride your bike.
4. The force of a magnet on a paper clip when the magnet moves the paper clip towards it.

Explanation:

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