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924876
Forces
Description
Science (Forces) Quiz on Forces, created by Meerkat on 24/05/2014.
No tags specified
science
year 8
terminal velocity
science
forces
Quiz by
Meerkat
, updated more than 1 year ago
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Created by
Meerkat
about 10 years ago
30
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Resource summary
Question 1
Question
What are the amount of forces acting against a skydiver at the start of his jump?
Answer
Small air resistance, Gravity is large
Gravity is small, Air resistance is big
Friction is big, Gravity is small
Question 2
Question
As the skydivers speed increases, what are the amounts of force acting against him?
Answer
Air resistance increasing, Gravity big
Gravity increasing, Air resistance big
Friction increasing, Gravity small
Question 3
Question
What will happen after his speed increases?
Answer
The air resistance and gravity will balance the skydivers weight. Terminal velocity
Gravity is small, Air resistance is big
Question 4
Question
When the parachute is opened. What will the forces be like?
Answer
Air resistance suddenly increases, starts to slow down
Air resistance suddenly increases, starts to speed up
Question 5
Question
What will happen after this?
Answer
It will reach a new LOWER terminal velocity
It will reach a new HIGHER terminal velocity
Question 6
Question
When a rocket flies away from the Earth, what is the force like?
Answer
Large force as the Rocket leaves Earth
Small force as the Rocket leaves Earth
Question 7
Question
When a Rocket reaches Space, what will the force be like to power the Rocket?
Answer
Big force
Small force
Question 8
Question
Steep upwards line on a graph, represents what?
Answer
Accelerating speed
Less accelerating speed
Constant speed
Deaccelerating
Question 9
Question
A horizontal line, on a graph, represents what?
Answer
Constant speed
Accelerating speed
Less accelerating speed
Decelerating speed
Question 10
Question
A small diagonal line on a graph, represents what?
Answer
Less accelerating speed
Constant speed
Accelerating Speed
Decelerating speed
Question 11
Question
A backwards line, on a graph, represents what?
Answer
Decelerating speed
Less accelerating speed
Constant speed
Accelerating speed
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