MEDIUM
8th CBSE
IMPORTANT
Earn 100

On what factors does the gravitational force depend?

Important Questions on Force and Pressure

MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 14 - Force and Pressure>EXERCISE>Q 4
Distinguish between force and thrust.
MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 14 - Force and Pressure>EXERCISE>Q 5
If a force of 2 N is applied on a surface with area of 4 m2, then find the pressure exerted on that surface.
MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 14 - Force and Pressure>EXERCISE>Q 6
A boy exerts a pressure of 40 Pa on a surface with area 3 cm2. How much force will act on that surface?
MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 14 - Force and Pressure>EXERCISE>Q 7
How is liquid pressure measured through manometer?
MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 14 - Force and Pressure>EXERCISE>Q 8
How does pressure acting on an object vary with thrust and surface area?
MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 14 - Force and Pressure>EXERCISE>Q 9
Why is the pressure inside the aeroplanes and jets maintained at normal ground level atmospheric pressure?
MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 14 - Force and Pressure>EXERCISE>Q 1
Give an example when the resultant force acting on an object is in the same direction.
MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 14 - Force and Pressure>EXERCISE>Q 1
Give an example when the resultant force acting on an object is in the opposite direction of the object.