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Cards In This Set
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If more horizontal force is applied to a sliding object than is needed to maintain a constant velocity...
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The object accelerates in the direction of the applied force.
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A kilogram is a measure of an object's...
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Mass.
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Disregardling air resistance, objects fall with constant...
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Acceleration.
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A heavy rock and alight rock of the same size are falling through the air from a tall building. Which encounters more air resistance?
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The heavy rock.
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Whirl a rock at the end of a string and it follows a circular path. If the string breaks, the tendency of the rock is to...
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Follow a straight-line path.
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When a rocket ship accelerating in outer space runs out of fuel, it...
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No longer accelerates.
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An object is propelled along a straight-line path by force. If the net force were doubled, the object's acceleration would be...
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Twice as much.
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A 10.0 N force is pulling up on the ring of a spring scale that weighs 2.0 N. If an 8.0 N mass is attached to the bottom hook of the scale, what would the scale reading be?
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8.0 N.
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F an object moves with constant acceleration, it's velocity must...
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Change by the same amount each second.
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An object, at rest near the surface of a distant planet, starts to fall freely. If the acceleration there is twice that of the earth, it's speed one second later would be...
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20 m/s.
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A skydiver jumps from a high-flying plane. As her velocity of fall increases, her acceleration...
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Decreases.
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A car has a mass of 1000 kg and accelerates at 2 m/s/s. What is the magnitude of the net force exerted on the car?
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2000 N.
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Which is not a vector quality: acceleration, speed, or velocity?
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Speed.
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The mass of a pet turtle that weighs 10 N is...
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About 1 kg.
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A car maintains a constant velocity of 100 km/h for 10 seconds.During this interval, it's acceleration is...
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Zero.
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