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4 Cards in this Set
- Front
- Back
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What is the velocity of a body?
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The velocity of a body is its speed in a given direction.
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To give the velocity of a body, you need to give both its speed and direction. How can you show direction?
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Direction can be shown by an arrow OR a compass direction OR a + or - sign.
velocity = 3m/sec <-- velocity = 3m/sec west velocity = -3m/sec |
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What is the acceleration of an object?
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The acceleration of an object is the rate at which its velocity changes.
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When bodies move in a straight line, is 'change in velocity' and 'change in speed', the same or different?
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The same
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