WorksheetsFriction as a Force
Total questions: 10
Worksheet time: 4mins
The force that acts between the object and the surface is called _________________.
magnetic force
gravitational force
force of friction
Substances that can reduce friction are called _____________.
engines
lubricants
muscles
This surface offers less force of friction.
smooth surface
rough surface
Friction between paper and pencil helps us to __________.
sing
dance
write
sleep
Rubbing of two surfaces generates heat.
True
False
How can we reduce friction?
By oiling
Using powder
Using grease and wax
All of these
In which direction does frictional force act on a moving object?
same direction
opposite direction
in the centre
Which one of these shows frictional force?
Leaf falling to the ground
Man pushing a trolley
Child sleeping on a bed
Somu is playing with his toy truck. On which surface will his truck move the slowest?
smooth surface
rough surface
The harmful effects of friction are ___________.
Wear and tear of moving parts
Unwanted heat is produced
Both of these
