3880618
Descrição
Quiz por Jake Perkins, atualizado more than 1 year ago
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Criado por Jake Perkins
quase 9 anos atrás
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Questão 1
Questão
If there is a not-zero resultant force acting on a toy car, what effect will be observed?
Responda
-
An acceleration in the opposite direction of the resultant force.
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Nothing.
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An acceleration in the direction of the resultant force.
Questão 2
Questão
Velocity and Speed are the same thing.
Responda
- True
- False
Questão 3
Questão
How is a constant deceleration shown on a velocity-time graph?
Responda
-
A positive gradient/slope.
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A negative gradient/slope.
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A flat line, gradient of 0.
Questão 4
Questão
What two forces balance when car travels at a constant speed? (Tick Two)
Responda
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Resualnt Force
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Driving Froce
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Weight Force
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Braking Force
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Friction Force
Questão 5
Questão
The two factors that affect a car's overall stopping distance are the reaction time and braking distance.
Responda
- True
- False
Questão 6
Questão
What is Terminal Velocity?
Responda
-
The highest acceleration.
-
The speed at which a human dies.
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Constant speed reached when upward and downward forces are balanced.
Questão 7
Questão
The name given to energy store in a spring is called Elastic Power Energy.
Responda
- True
- False
Questão 8
Questão
Choose an equation to express the balance when terminal velocity is reached.
Responda
-
R - W = 0
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R + W = 0
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