Question

5. Pieces of paper get attracted to a
State whether the following statements are True or False.
Pressure is inversely proportional to the
due to magnetic poles.
6. The gravitational force on Earth is
Liquid pressure is measured using a
than that on the Moon.
barometer
The SI unit of force is Pascal
7. The atmospheric pressure is ma
If the force is acting on an object from
at the sea level.
two different directions, the resultant
8. Bicycles with thin tyres are used
force is obtained by subtracting the two
sand, as the pressure exerted
forces being applied.
more.
ake a concept map on 'Types of forces'.
area.
t Answer Questions.
hy is it preferable to carry shoulder bags
5.
Why does an inflated halloon bure​

Answer 1

Answer:

Q1) Write true or false for each statement (a) The S.I unit of force is kg.

(b) A force always produces both the linear and turning motions.

(c) Moment of force = force perpendicular distance of force.

(d) Less force is needed when applied at a farther distance from the pivoted point.

(e) For a given thrust,pressure is more on a surface of large area.

(f) The pressure on a surface increases with an increase in the thrust on the surface.

(g) A man exerts same pressure on the ground whether he is standing or he is lying.

(h) It is easier to hammer a blunt nail into a piece of wood than a sharply pointed nail.

(i) The S.I unit of pressure is pascal.

(j) Water in a lake exerts pressure only at its bottom.

(k) A liquid exerts pressure in all directions.

(l) Gases exert pressure in all directions.

(m) The atmospheric pressure is nearly 105 pa.

(n) Higher we go, greater is the air pressure

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