EASY
8th ICSE
IMPORTANT
Earn 100

The perpendicular distance from the pivot of a rotating body to the line of action of the force is known as the moment arm.

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Important Questions on Force and Pressure

EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 3 - Force and Pressure>Exercises>Q C
Wooden sleepers are placed under railway tracks in order to increase pressure on the ground.
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 3 - Force and Pressure>Exercises>Q C
Skis have a large surface in order to reduce the pressure on snow.
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 3 - Force and Pressure>Exercises>Q C
The standard value of atmospheric pressure is about 1,50,000 Pa.
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 3 - Force and Pressure>Exercises>Q D
Name the factors affecting the moment of a force.
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 3 - Force and Pressure>Exercises>Q D
The hand flour grinder is provided with a handle near its rim. Give reasons why.
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 3 - Force and Pressure>Exercises>Q D
How are force, area and pressure related to each other?
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 3 - Force and Pressure>Exercises>Q D
Why do safety pins and drawing pins have narrow and sharp tips?
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 3 - Force and Pressure>Exercises>Q D
What do you understand by atmospheric pressure? How does it change with altitude?