WorksheetsGrade 6 physics
Total questions: 22
Worksheet time: 16mins
Friction is an example of _____________
contact force
non contact force
both of these
none of these
Without friction, an object in motion would never stop.
true
false
Frictional force depends on ____
surface area in contact
roughness of surface
both a and b
none of the above
In the given figure, a boy is shown pushing the box from right to left. The force of friction will act on the box
From right to left
From left to right
Vertically downwards
Vertically upwards
Rough surfaces have _________
greater friction
less friction
the same level of friction
Least amount of friction is required in which of the following sports?
Car race
Football
Ice skating
Tug of war
When we rub our hands together _________.
frictional force works between them
energy is released
our hands become warm
all off the above
Friction depends on the (a) of the surfaces.
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
Ball bearings work on the principle of :
Sliding friction
Rolling friction
Static friction
Force
Static friction prevents you from slipping when you walk on a sidewalk.
True
False
A force that opposes motion between any surfaces that are in contact.
gravity
acceleration
friction
direction
Types of friction include
static friction.
sliding friction.
rolling friction
all of the above
Sliding friction is stronger than static friction.
TRUE
FALSE
The weakest type of friction that occurs between solid surfaces is _____ friction.
sliding friction
rolling friction
static friction
None of the above
