Question

Objective Type Questions
per unit
A. Fill in the blanks.
1. Pressure is
area
2. The unit of pressure is
3. The device used to measure air pressure is called
4.
and
are contact forces.
5. Gravity is a
force.
6. Force can change the direction of
of an object.
7. A blunt knife will exert
pressure than a sharp knife.
B. Write 'T' for true and 'F' for false.

Answer 1

Answer:

The weight of air acting per unit area is known as atmospheric pressure.

Explanation:

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Answer 2

Answer:

pressure is_______per unit______