Question 1
Question
What does the gradient on a distance-time graph represent?
Answer
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Speed
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Acceleration
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Distance travelled
Question 2
Question
Velocity of an object the speed of an object in a given direction
Question 3
Question
What does the gradient of a velocity-time graph represent?
Answer
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Acceleration
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Speed
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Distance
Question 4
Question
Distance travelled by an object can be calculated from a distance-time graph
Question 5
Question
What is newtons third law?
Question 6
Question
The combined effect of all forces acting upon an object is called the...
Answer
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Resultant force
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Drag force
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Newton
Question 7
Question
If the resultant force on an object is zero it will...
Question 8
Question
If the resultant force on an object is not zero it will...
Question 9
Question
When a vehicle is driving at a steady speed the resistive forces balance the driving force
Question 10
Question
What are 3 things that could effect the drivers reaction time?
Answer
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Drugs
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Tiredness
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Alcohol
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Shoe colour
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Diet
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Exercise
Question 11
Question
What happens when brakes are applied on a car...
Question 12
Question
The __________ an object moves through a fluid the __________ the frictional force that acts on it
Answer
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Faster, slower
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Faster, greater
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Slower, greater
Question 13
Question
when the resultant force of an object is zero it will move at its terminal velocity
Question 14
Question
What might a force being applied to an object cause?
Answer
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stretching or squashing
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Changing its shape
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Changing its volume
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Changing its colour
Question 15
Question
An elastic object can't recover its original shape when stretched
Question 16
Question
The extension of an elastic object is directly proportional to...
Answer
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The force applied
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The mass of the object
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The length of spring
Question 17
Question
When a force causes an object to move through a distance work is done
Question 18
Question
In a closed system the total momentum before an event is _______ to the total momentum after an event, what is this called?
Answer
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Equal, Conservation of momentum
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More, conservation of momentum
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Equal, conservation of minstrels
Question 19
Question
Which type of materials rub together to become electrically charged?
Answer
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Metal
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Reactive
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Insulating
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Conductor
Question 20
Question
Losing electrons means a material becomes...
Answer
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Negatively charged
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Positively charged
Question 21
Question
If two objects have the same charge will they repel or attract each other?
Question 22
Question
What is the electrical symbol for a diode?
Question 23
Question
which is the current-potential difference graph?
Question 24
Question
which graph shows the current flowing through a diode?
Question 25
Question
Is the potential difference in a series or parallel circuit the same across each component?
Question 26
Question
Is the current in a series or parallel circuit the same across each component?
Question 27
Question
The current through a resistor is directly proportional to the potential difference across the resistor
Question 28
Question
Resistance of an LDR increases as the light intensity increases
Question 29
Question
What is the a.c. supply in the UK?
Question 30
Question
What colour is the live wire?
Answer
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blue
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yellow and green
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brown
Question 31
Question
What colour is the neutral wire?
Answer
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brown
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yellow and green
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blue
Question 32
Question
If the current in a fuse wire gets too high the fuse will melt breaking the circuit
Question 33
Question
when an electrical charge flows through a resistor so it cools
Question 34
Question
what is in the nucleus of an atom?
Answer
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Protons and neutrons
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Electrons and neutrons
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Electrons and protons
Question 35
Question
What is the relative charge of a proton?
Question 36
Question
electrons have a relative mass of 0.005
Question 37
Question
Which rays are most penetrating?
Question 38
Question
Which type of radiation isnt deflected by both electric and magnetic fields?
Question 39
Question
Half life is the time taken for the number of unstable nuclei in a sample to halve
Question 40
Question
What are the two fissionable substances?
Question 41
Question
The nucleus undergoing fission splits into 2 smaller nuclei and two or three whats are released?
Answer
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nuclei
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electrons
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neutrons
Question 42
Question
Fusion is the joining of two _____?
Answer
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Neutrons
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Electrons
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Nuclei
Question 43
Question
Stars form when what from space is pulled together?
Answer
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planets and dust
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dust and rocks
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gas and dust
Question 44
Question
During the main sequence period of its life cycle the star is stable as the forces are balanced