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Physics CBSE Live product
Class 8
Pressure, Winds, Storms, and Cyclones
Pressure
9.
Pressure in daily life
Question:
2
m.
Read the following situations carefully to answer the questions.
A drawing pin has a broad head and a sharp tip. It is easy to press into a notice board with fingers using the broad head.
1.
Why is the sharp tip useful?
It reduces the force
It is heavier than the broad head
It has smaller area which increases the pressure
It has smaller area which decreases the pressure
2.
Why is the head of the pin broad?
To keep the pin bigger
To reduce pressure on fingers while pushing
To keep the pin lighter
To increase pressure on fingers while pushing
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