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- 1. Multiple Choice
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
- 2. Multiple Choice
An airplane flies east at 400 km/hr. In which direction is the air resistance force acting upon the airplane?
East
West
Up
Down
- 3. Multiple Choice
Blocks #1, #2, #3, and #4 have equal mass. All four blocks slide across the table with a speed of 2 m/s. Which block has the lowest air resistance force acting upon it?
Block #1
Block #2
Block #4
All have equal air resistance force.
- 4. Multiple Choice
Objects #1, #2, #3, and #4 are sliding across the table. All blocks move at the same speed of 2 m/s. The blocks have different masses.
Which block has the greatest air resistance force acting upon it?
Block #1
Block #3
Block #4
All will have equal air resistance force.
- 5. Multiple Choice
The upward force which is exerted against a falling object is
gravity
terminal velocity
air resistance
intertia
- 6. Multiple Choice
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
- 7. Multiple ChoiceFriction is a force that acts in a(n) ___________ direction relative to a moving object.similaroppositeparallelperpendicular
- 8. Multiple ChoiceWhat type of friction acts on an object that is not yet moving?StaticDynamickineticRolling
- 9. Multiple ChoiceAs the child moves down the slide, they mostly experience the effect of ___________.Rolling FrictionSliding FrictionFluid FrictionStatic Friction
- 10. Multiple ChoiceThe force that opposes motion is ________.a balanced forcean unbalanced forcean accelerating forcefriction
- 11. Multiple ChoiceThe upward force on an object falling through the air is ______.air resistanceinertiagravityterminal velocity
- 12. Multiple ChoiceRougher surfaces have ...greater frictionless frictionthe same level of friction
- 13. Multiple ChoiceWhat is gravity?A forceEnergyA pushAll of them
- 14. Multiple Choice
Pick the word that matches the definition:
is the frictional force air exerts against a moving object.
Friction
Air Resistance
Gravity
Force
- 15. Multiple Choice
the force that attracts a body toward the center of the earth
Air resistance
Friction
Gravity
Force
- Answer choicesTagsAnswer choicesTags