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Yes it is desirable to some extent. For sure aeroplanes can't fly without moving on the ground (Frictional Force). Even a ship cannot move without friction. For erasing a mistake, the rubber has to show friction with the paper. But due to friction, there is a huge amount of energy is wasted. One way to discriminate it is:
People can get injured themselves if they rub their hands hard on floors or sharp items.
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∙ 10y ago
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Which frictional force is self adjusting force?
static frictional force
What frictional force?
Frictional force is the force that opposes motion between two surfaces.
What determines the size of a frictional force?
The size of the normal force and coefficient of friction determines the size of frictional force.
Does the frictional force depend on the area of surface contact?
No. Frictional force is independant of surface area.
2 kinds of forces?
Frictional force and non frictional
Which frictional force is self adjusting force?
static frictional force
Is writing on a paper a frictional force or muscular force?
i am sure that it is not frictional force.....
What frictional force?
Frictional force is the force that opposes motion between two surfaces.
How frictional resistance along a fault affect the force released during an earthquake?
if the frictional resistance is high, the force will be greater, and if the frictional resistance is low, the force will be smaller.
What determines the size of frictional force?
The size of the normal force and coefficient of friction determines the size of frictional force.
What determines the size of a frictional force?
The size of the normal force and coefficient of friction determines the size of frictional force.
Does the frictional force depend on the area of surface contact?
No. Frictional force is independant of surface area.
2 kinds of forces?
Frictional force and non frictional
What is the frictional force to slow an object in motion?
kinetic frictional
Which force is an example of contact force?
Frictional force.
What happens to the magnitude of frictional force when two surfaces are pressed hard?
In my opinion , frictional force will increase
What is the resistance force of frition?
Frictional Force
