What is centripetal acceleration directed toward?
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Centripetal acceleration changes the direction of velocity.
It always points radially inward.
Practice MDCAT Physics questions with answers and explanations.
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Centripetal acceleration changes the direction of velocity.
It always points radially inward.
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Centripetal force is not a separate force type.
It may be supplied by tension, friction, gravity, or another force.
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A particle in translational equilibrium has no acceleration.
It may be at rest or moving at constant velocity.
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Average velocity is a vector based on net displacement.
A round trip can have zero average velocity.
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Vector addition replaces multiple vectors with an equivalent single vector.
Its direction and magnitude depend on the original vectors.
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Slope gives change in displacement per unit time.
That is the definition of velocity.
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Perpendicular vector components form a right triangle.
The resultant magnitude is found from the sum of squared components.
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Slope gives change in velocity per unit time.
That is acceleration.
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One kilometre equals 1,000 metres.
Therefore 3.5 km = 3.5×1,000 = 3,500 m.
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Integrating velocity over time gives displacement.
Areas below the time axis count as negative displacement.
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One metre equals 100 centimetres.
Therefore 250 cm ÷ 100 = 2.5 m.
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Uniform acceleration means velocity changes by equal amounts in equal times.
The standard kinematic equations apply.