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Worksheetsfriction quiz
Total questions: 60
Worksheet time: 30mins
Friction is defined as a force that ______________________ the motion of a body across a surface or through a gas or liquid.
speeds up
opposes
has no effect on
turns
How would a swim cap help you swim faster?
it keeps the hair out of your eyes
it reduces your inertia
it decreases friction between you and the water
it increases friction between you and the water
What will happen to a baseball rolling on as smooth, hard dirt infield when it crosses into the tall grass of the outfield?
it will roll faster because friction increases
it will roll faster because friction decreases
it will roll slower because friction increases
it will roll slower because friction decreases
The force of friction acts between any two objects that are rubbed against each other.
true
false
The force needed to change motion of an object rolling over a surface is less than that of an object sliding on a surface.
true
false
Friction is a force that opposes motion when two surfaces are _______.
at distance
in contact
in view
________ is produced as result of friction between two objects.
Cooling effect
Heat
Nothing
Friction caused _________ and ________.
wear and tear
movement and action
both of above
Air resistance can be reduced by using ______________
streamline body
straight body
cubic body
____________ are used to reduce friction.
Plastic
lubricants
rough surface
It is difficult to walk on a wet surface or icy lakes due to less _______________.
friction
lubrication
surface area
Soap, liquid dish wash, oil and water all are examples of _____________
streamline body
water resistance
lubricants
True or False: Friction is the force between two moving surfaces that are touching.
True
False
True or False: Friction acts in the same direction as the motion of the moving object.
True
False
True or False: Friction occurs when microscopic hills and valleys stick together.
True
False
True or False: Moving across ice has less friction because it is ice smoother than other surfaces.
True
False
Which has more friction; a room with a carpet floor or wood floor?
Wood
Carpet
What type of friction: A box resting inside a warehouse.
Sliding
Static
Rolling
Fluid
The smoother the surface, the __________ friction it has.
Less
More
True or False: Increasing the amount of force exerted onto surfaces has NO effect on friction.
True
False
True or False: Changing sliding friction to rolling friction will increase friction.
True
False
What type of friction: using a grocery cart at the store.
Sliding
Static
Rolling
Fluid
What type of friction: sledding down a hill.
Sliding
Static
Rolling
Fluid
What type of friction: rubbing your hands together to get warm.
Sliding
Static
Rolling
Fluid
What type of friction: a boat going through water.
Sliding
Static
Rolling
Fluid
What type of friction: a parachute falling to Earth.
Sliding
Static
Rolling
Fluid
As soon as an object starts moving, static friction ____________
Increases
Decreases
Disappears
Appears
What is the most likely reason this person is unable to move this heavy sofa across a carpet floor?
Sliding friction
Fluid friction
Rolling friction
Static friction
Lubricants help to ________
Increase friction
Reduce friction
The shape of the airplane is like a
Fish
Car
Bird
Any one of these
Friction is a
evil
necessity
either evil or necessity
both evil and necessity
A boy rolls a rubber ball on a wooden surface. The ball travels a short distance before coming to rest. To make the same ball travel longer distance before coming to rest, he may
spread a carpet on the wooden surface.
cover the ball with a piece of cloth.
sprinkle talcum powder on the wooden surface.
sprinkle sand on the wooden surface
In the 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 (↑)
Whenever the surfaces in contact tend to move or move with respect to each other, the force of friction comes into play
only if the objects are solid.
only if one of the two objects is liquid.
only if one of the two objects is gaseous.
irrespective of whether the objects are solid, liquid or gaseous
If we apply oil on door hinges, the friction will
increase
decrease
reduce to zeo
remain unchanged
A toy car released with the same initial speed will travel farthest on
muddy surface
polished marble surface
cemented surface
brick surface
While playing tug of war game, Swati felt that the rope was slipping through her hands. She should apply___ to prevent the slipping of rope.
oil
soil
Which would be the best for a new group to do to make a car roll the farthest?
what is friction?
11
tendense of an object
a push or pull force
a force that resists motion of a object touching.
How does the weight of an object affect friction?
there is no effect
heavier object has less friction
heavier object has more friction
lighter object has more friction
Which of the following is an example of friction that is harmful?
Using an eraser to erase marks
Pencil marking on paper
Engine parts wearing out
Sand placed on ice in the winter
Which of these is an example of friction that is helpful?
Tread on the bottom of your shoes
Brakes used on a bike
Tires rolling on the road
All are examples that are helpful
Identify the type of friction in the following example: You are sitting in your chair.
rolling
sliding
fluid
static
Identify the type of friction in the following example: A car slowly coming to a stop.
rolling
sliding
fluid
static
Identify the type of friction in the following example: Air pushes against a moving object.
rolling
sliding
fluid
static
How would the absence of friction affect a marble traveling on a long, straight path?
marble would increase speed
marble would decrease speed
marble would remain at a constant speed
marble would stop immediately
What type of friction occurs when an object rolls over a surface?
static friction
sliding friction
rolling friction
fluid friction
Friction acts in a direction _________________ the direction of the object's motion.
parallel
perpendicular
opposite
similar to
What type of friction acts on objects that are not moving?
static friction
sliding friction
rolling friction
fluid friction
What type of friction occurs when one solid surface slides over another?
static friction
sliding friction
rolling friction
fluid friction
What are the two factors that affect the force of friction are?
surface type and mass
surface area and weight
distance and time
mass and volume
What type of friction occurs when a solid object moves through a fluid (gas or liquid)?
static friction
sliding friction
rolling friction
fluid friction
Which of these materials do you predict would have the MOST amount of friction
Metal
Tile
Sand Paper
Denim
This car is turning, but there’s a puddle of water in the road. Which diagram best shows how the puddle will affect the path of the car after it hits the puddle?
