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Total questions: 15
Worksheet time: 5mins
An object is falling downward through Earth's atmosphere. In which direction is the air resistance force?
Down
Up
Around the object
Through the object
An airplane flies east at 400 km/hr. In which direction is the air resistance force acting upon the airplane?
East
West
Up
Down
What is Air Resistance?
The force of water
The force that opposes the motion of objects falling through the Earth's atmosphere
A vacuum
Terminal Velocity
The amount of matter in an object is its _____________.
Weight
Mass
Force
If you jump out of an airplane, which two forces are acting on you?
Gravity and friction
Force and gravity
Gravity and Air Resistance
When you drop a hammer and a feather on the moon what will happen? There is no air on the moon.
They will hit at the same time
The hammer will hit first
The feather will hit first
Look at the pictures of the cars. Which car will have the most air resistance force acting upon it? They will be moving at the same speed.
All will have equal air resistance force.
All will have equal air resistance force.
Which best describes why a falling object will reach its terminal velocity?
Gravity force is equal and opposite air resistance force.
Air resistance force is equal and opposite the freefall velocity.
Gravity force is equal and opposite the object's mass.
The object's mass is equal and opposite the gravity force.
During the Balloon Rocket activity, how did we add more force?
We blew more air into the balloon
We let some of the air out of the balloon
We taped the balloon to a straw.
What causes an object to fall faster?
Smaller surface area
Larger surface area
If it has a parachute
If it is softer
The larger the surface area of the moving object, the ___________ air resistance there is.
less
more
longer
quicker
Air resistance pushes against falling
objects and __________________.
Speeds them up
Keeps them afloat
Slows them down
Spins them
The more streamlined an object is, the............
More air resistance
Less air resistance
Slower air resistance
Faster air resistance
Streamlined body of the aeroplane helps it to .....................
Increase air resistance acting on plane
Decrease air resistance acting on plane
No effect of it on plane
None of the above
In our daily lives, ______ is an example of air resistance.
your hair blowing back when you run
putting your shoes
eating a burger
writing a spelling test
