WorksheetsPhysics Friction Quiz
Total questions: 14
Worksheet time: 8mins
How do lubricants reduce friction ?
They create a barrier between the surfaces.
They fill in the gaps in the surfaces.
They remove the irregularities in the surfaces.
They make the surface slippery.
I DON'T KNOW AND I DON'T CARE.
Who discovered frictional force?
Leonardo Da Vinci
Guillaume Amontons
Sir Isaac Newton
Albert Einstein
I didn't discover it.
In which case friction is a disadvantage?
Writing
Running
In Racing Cars
Walking in New shoes
Friction is always a disadvantage.
Frictional force exerted by fluids is called (a) .
What are the tyres of a racing car called?
(a)
Friction depends on the (a) of the surfaces.
Friction opposes the (a) between the surfaces in contact with each other.
Friction causes ______ in machines.
wear and tear
wastage of energy
generation of heat
all of the above
Streamlining is done to __________.
Increase friction
decrease friction
make the object look cooler
none of the above
Mark the correct option.
sliding friction < rolling friction < static friction
sliding friction > rolling friction > static friction
static friction > sliding friction > rolling friction
None of this makes sense to me.
Advantages of friction are:
It helps to move around.
It helps us to push objects
It helps us to write.
It helps us to conserve energy.
Ball bearings work on the principle of :
Sliding friction
Rolling friction
Static friction
Force
The designs made on tyres to increase friction are called (a) .
A series of patterns made into the surface of a tyre is called
(a)
