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24 questions
The time rate of change of an object's velocity is _________
________ is the motion of an object when it is falling solely under the influence of gravity.
A _____ is a physical measurement that does not contain directional information.
A _____ is a physical measurement that contains directional information.
A point against which position is measured is known as the _____.
A ____ is a push or a pull that acts on an object.
The friction that opposes motion once the motion has already started is known as _____
The ratio of the total distance traveled to the total time of the trip is known as ____.
Friction that opposes the initiation (starting) of motion.
A force that opposes motion, resulting from the contact of two surfaces.
What are the four types of friction?
Sliding, Kinetic, Rolling, and Fluid
Sliding, Kinetic, Rolling, and Liquid
Static, Kinetic, Rolling, and Fluid
Friction, Water, Rolling, and Sliding
Which of the following is an example of static friction?
A bowling ball rolling down a bowling alley.
Moving a couch across the floor.
Rubbing a balloon in my hair causing my hair to stand up.
Pushing a boulder but it does not move.
Which of the following is an example of fluid friction?
Michael Phelps competing in a swimming competition.
Miss Melton drinking water.
Peeling a banana.
Using a hand truck to move heavy boxes.
What is an example of kinetic friction?
Completing a set of jumping jacks.
Pushing a couch across the living room.
Attempting to push a boulder off a cliff but it is too heavy.
Swimming in the ocean.
Which of the following is an example of rolling friction?
Using a hand truck to relocate heavy boxes.
Throwing a ball past home plate.
An airplane in flight.
Pushing a box across the floor.
A boy is sitting on the dock at a lake. His position does not change relative to a tree on the shore. He watches two horses gallop along the shore of the lake.The horses are keeping perfect pace with each other. Neither is pulling ahead of nor falling behind the other. Relative to whom (or what) is the child in motion?
A boy is sitting on the dock at a lake. His position does not change relative to a tree on the shore. He watches two horses gallop along the shore of the lake.The horses are keeping perfect pace with each other. Neither is pulling ahead of nor falling behind the other. Relative to whom (or what) is the first horse in motion?
A boy is sitting on the dock at a lake. His position does not change relative to a tree on the shore. He watches two horses gallop along the shore of the lake.The horses are keeping perfect pace with each other. Neither is pulling ahead of nor falling behind the other. Relative to whom (or what) is the second horse not in motion?
What is the net force of two balanced forces?
Label the following as scalar or vector. Also label it as distance, acceleration, velocity, speed, or none.
321.89 meters
Label the following as scalar or vector. Also label it as distance, acceleration, velocity, speed, or none.
63 feet/hour and slowing
Label the following as scalar or vector. Also label it as distance, acceleration, velocity, speed, or none.
10.07 meters/second South
If a car travels down a highway at a constant velocity of 65 miles/hour, what is its acceleration?
Which of the following is smaller friction: Kinetic friction or Static friction?
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