924876
Pregunta 1
Pregunta
What are the amount of forces acting against a skydiver at the start of his jump?
Respuesta
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Small air resistance, Gravity is large
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Gravity is small, Air resistance is big
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Friction is big, Gravity is small
Pregunta 2
Pregunta
As the skydivers speed increases, what are the amounts of force acting against him?
Respuesta
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Air resistance increasing, Gravity big
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Gravity increasing, Air resistance big
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Friction increasing, Gravity small
Pregunta 3
Pregunta
What will happen after his speed increases?
Respuesta
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The air resistance and gravity will balance the skydivers weight. Terminal velocity
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Gravity is small, Air resistance is big
Pregunta 4
Pregunta
When the parachute is opened. What will the forces be like?
Respuesta
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Air resistance suddenly increases, starts to slow down
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Air resistance suddenly increases, starts to speed up
Pregunta 5
Pregunta
What will happen after this?
Respuesta
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It will reach a new LOWER terminal velocity
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It will reach a new HIGHER terminal velocity
Pregunta 6
Pregunta
When a rocket flies away from the Earth, what is the force like?
Respuesta
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Large force as the Rocket leaves Earth
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Small force as the Rocket leaves Earth
Pregunta 7
Pregunta
When a Rocket reaches Space, what will the force be like to power the Rocket?
Respuesta
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Big force
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Small force
Pregunta 8
Pregunta
Steep upwards line on a graph, represents what?
Respuesta
-
Accelerating speed
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Less accelerating speed
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Constant speed
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Deaccelerating
Pregunta 9
Pregunta
A horizontal line, on a graph, represents what?
Respuesta
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Constant speed
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Accelerating speed
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Less accelerating speed
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Decelerating speed
Pregunta 10
Pregunta
A small diagonal line on a graph, represents what?
Respuesta
-
Less accelerating speed
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Constant speed
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Accelerating Speed
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Decelerating speed
Pregunta 11
Pregunta
A backwards line, on a graph, represents what?
Respuesta
-
Decelerating speed
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Less accelerating speed
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Constant speed
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Accelerating speed
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