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Related Flashcards
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Cards In This Set
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How do you determine speed?
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Distance over speed
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How do you calculate momentum?
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Mass x speed
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How does velocity differ from speed?
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Velocity includes direction
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What is the difference between mass and weight?
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Weight is the measurement of mass
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Understand what it means to accelerate.
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Speeding up or slowing down, changing direction
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Why are you still accelerating when you travel in a circle at a constant speed?
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Changing direction constantly
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What is force?
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Cause of acceleration, change in an objects velocity
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Calculate force.
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Mass x acceleration
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What is friction?
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The force between two objects in contact that opposes the motion of either object
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What is the SI unit for force?
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Newton, N
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Units for acceleration?
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Meters per second
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Understand the difference between balanced forces and unbalanced forced and know examples of each.
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Tug of war, unbalanced- net nonzero, balanced- net force equal to zero.
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How do you know if an object is moving?
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Object changes position relative to a reference point.
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What is a Newton?
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The force that can give a mass of 1kg an acceleration of 1 m/s
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What is gravity? What affects gravity?
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The force of attraction between two parts of matter due to mass, mass & distance.
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