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10 questions
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
The upward force which is exerted against a falling object is
gravity
terminal velocity
air resistance
intertia
A force which causes objects to fall is
weight
gravity
air resistance
absorbency
When a falling object stops accelerating and falls at a constant speed, it is
fluency
constant velocity
acceleration
terminal velocity
Complete the sentence.
It is not the difference in gravity that causes objects to fall at different speeds, it’s the difference in the amount of__________________.
Gravity
Mass
Air resistance
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
________ acts to slow the rate at which objects fall.
Thrust
Barometer
Air Resistance
Gravity
What is a parachute designed to maximize?
Gravity
Air Pressure
Air Resistance
Thrust
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.
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