Fluid Mechanics
On what factors does the effect of thrust on a surface depend?
DoubtBuddy
Subjective Type
It is easier to cut with a sharp knife than with a blunt one. explain.
Solution
It is easier to cut with sharp knife than with a blunt one because for the same applied force, the pressure exerted (force /area) is more in the case of sharp knife than in the case of blunt one.
SIMILAR QUESTIONS
Fluid Mechanics
Name two factors on which the pressure on a surface depends.
Fluid Mechanics
A sharp pin works better than a blunt pin. explain the reason.
Fluid Mechanics
Why is the bottom part of foundation of building made wider ?
Fluid Mechanics
Explain the following : $$ (a) $$ Sleepers are used below the rails $$ (b) $$ A tall building has wide foundations.
Fluid Mechanics
Why does a sharp knife cut objects more effectively than a blunt knife?
Fluid Mechanics
Explain why, wooden (or concrete) sleepers are kept below the railway line.
Fluid Mechanics
Explain why, a wide steel belt is provided over the wheels of an army tank.
Fluid Mechanics
Explain why, the tip of a sewing needle is sharp.
Fluid Mechanics
When is the pressure on the ground more-when a man is walking or when a man is standing? Explain.
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