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Related Flashcards
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Cards In This Set
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(1)At terminal velocity, all motion stops.
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False
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(1) Your mass on Earth is different than your mass on Mars.
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False
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(1) A rocket is propelled through space by the exhaust gases pushing against air.
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False
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(1) Any object falling toward Earth will accelerate until impact.
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False
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(1) In a vacuum, all objects fall toward the center of the Earth with the same acceleration.
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True
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(1) Three skydivers tied together fall faster than a single skydiver.
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False
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(1) Friction is a force that retards motion.
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True
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(2) Centrifugal force exists only in rotating objects/
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False
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(2) Linear momentum is always conserved.
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True
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(2) Angular momentum is always conserved.
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True
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( 2) Padding decreases the effect of a collision by increasing the contact time.
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True
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(2) Simple machines like pulleys increase the amount of work we can do.
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False
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(2) Centrifugal force really exists.
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False
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(2) A rocket is propelled through space due to the escaping gases pushing against air.
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False
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(2) Conservation of momentum is the same as Newton's Second Law.
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False
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