P1 Quick Revision Questions. P1 for AQA GCSE examination 2018 onwards
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1 P1 Quick Revision Questions
2 Question 1... of 50 What type of energy is stored in a stretched elastic band?
3 Answer 1... of 50 Elastic potential energy.
4 Question 2... of 50 What type of energy is stored when an object is moved upwards?
5 Answer 2... of 50 Gravitational potential energy
6 Question 3... of 50 What is the equation for gravitational potential energy?
7 Answer 3... of 50 E p = mgh
8 Question 4... of 50 What is the equation for elastic potential energy?
9 Answer 4... of 50 E e = ½ ke 2
10 Question 5... of 50 What is the equation for work done?
11 Answer 5... of 50 Work done = force x distance.
12 Question 6... of 50 What is the equation for kinetic energy?
13 Answer 6... of 50
14 Question 7... of 50 What is the energy transfer when a moving object encounters friction?
15 Answer 7... of 50 Kinetic energy Heat energy
16 Question 8... of 50 What is the equation for power?
17 Answer 8... of 50
18 Question 9... of 50 What is the equation for specific heat capacity?
19 Answer 9... of 50
20 Question of 50 Why does water take longer to heat up than copper?
21 Answer of 50 Because it has a higher specific heat capacity therefore more energy is required to raise it s temperature.
22 Question of 50 What is the unit of Gravitational Potential Energy?
23 Answer of 50 Joules
24 Question of 50 What is the unit of speed?
25 Answer of 50 m/s
26 Question of 50 Jack walks on a level floor. Does he gain or lose any gravitational potential energy?
27 Answer of 50 Stays the same, because his height above the floor does not change
28 Question of 50 What s the unit of Elastic Potential Energy?
29 Answer of 50 Joules
30 Question of 50 What is my weight on the Earth if my mass is 93kg? (g=10 N/kg)
31 Answer of 50
32 Question of 50 What s the unit of Kinetic Energy?
33 Answer of 50 Joules
34 Question of 50 I m driving a car at 10 m/s. My mass is 60 kg. Calculate my kinetic energy?
35 Answer of 50
36 Question of 50 What happens to your kinetic energy if your speed doubles?
37 Answer of 50 Quadruples.
38 Question of 50 What is the unit of work done?
39 Answer of 50 Joules
40 Question of 50 What is the unit of force?
41 Answer of 50 Newtons
42 Question of 50 Kim is holding a 30 N bag without moving. How much work is she doing?
43 Answer of 50 0
44 Question of 50 What is the unit of mass?
45 Answer of 50 kg
46 Question of 50 What is the unit of weight?
47 Answer of 50 Newtons
48 Question of 50 What is the unit of power?
49 Answer of 50 Watts
50 Question of 50 What is one Watt of power?
51 Answer of 50 One Joule of energy transferred in one second
52 Question of 50 What is a κw?
53 Answer of 50 1kW=1,000 W
54 Question of 50 A motor does 2kJ of work in 1 minute. What power does it develop?
55 Answer of 50
56 Question of 50 What s the difference between heat and temperature?
57 Answer of 50 When something is heated, thermal energy is transferred to it. Temperature is a measure of how hot or cold something is.
58 Question of 50 What is the unit of specific heat capacity?
59 Answer of 50
60 Question of 50 Why oiling the moving parts of a machine improves its efficiency?
61 Answer of 50 It reduces the friction, so less energy is wasted as thermal energy
62 Question of 50 Is solar energy reliable?
63 Answer of 50 No, you cannot use solar energy during the night or in bad weather
64 Question of 50 Can energy be transferred in a vacuum?
65 Answer of 50 Yes
66 Question of 50 Which is the only way energy can be transferred in a vacuum?
67 Answer of 50 Radiation
68 Question of 50 Is nuclear energy renewable or not?
69 Answer of 50 Non-renewable. Supplies will run out.
70 Question of 50 Describe the energy transfer when a ball held above the ground is allowed to fall.
71 Answer of 50 Before the ball is dropped it has a store of gravitational potential energy. As it falls, energy is transferred to a store of kinetic energy.
72 Question of 50 What affects the amount of work done by a force?
73 Answer of 50 The magnitude of the force and its displacement.
74 Question of 50 A PlayStation is rated at 350 W. How much energy is transferred in 10 s?
75 Answer of 50
76 Question of 50 Define specific heat capacity
77 Answer of 50
78 Question of 50 Why water is used to cool car engines?
79 Answer of 50 Water has a very high specific heat capacity, so it can absorb a large amount of thermal energy from a hot object for a given temperature change of the water.
80 Question of 50 Why clothing made from wool is a good insulator?
81 Answer of 50 Air is trapped between the wool fibres. Wool and air are bad conductors of thermal energy.
82 Question of 50 What is the law of conservation of energy?
83 Answer of 50 The total energy in a closed system is always constant. Energy cannot be created or destroyed.
84 Question of 50 What is the equation for efficiency?
85 Answer of 50
86 Question of 50 Calculate the efficiency of an LED light bulb which consumes 12 J of electrical energy and produces 9 J of light energy
87 Answer of 50
88 Question of 50 Give an example of an electrical device that transfers energy to a kinetic energy store
89 Answer of 50 A fan, a drill, an electric car
90 Question of 50 Where does tidal energy come from?
91 Answer of 50 The gravitational potential energy store of the Moon
92 Question of 50 Why the amount of energy we need in the world increases every year?
93 Answer of 50 The population of the world is increasing, more countries are developing and need more energy for their industries
94 Question of 50 Give two ways fuel-burning power stations can cause pollution.
95 Answer of 50 The release carbon dioxide, which contributes to global warming. They emit sulfur dioxide which causes acid rain
96 Question of 50 Name a concern about nuclear power stations
97 Answer of 50 They create waste, which will remain radioactive for many years. There is a possibility of a nuclear accident which would contaminate an area.
98 Question of 50 Mary walks up some stairs. Is she doing any work?
99 Answer of 50 Yes, by lifting her weight up the stairs.
100 Question of 50 What is the unit of gravitational field strength?
101 Answer of 50 N/kg
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over a distance. W = F*d The units are [N]*[m] [ ] = [Joules] = [J] F * d = W
![over a distance. W = F*d The units are [N]*[m] [ ] = [Joules] = [J] F * d = W](/thumbs/87/95215051.jpg "over a distance. W = F*d The units are [N]*[m] [ ] = [Joules] = [J] F * d = W")
Work and Energy WORK Work measures the effects of a force acting over a distance. W = F*d The units are [N]*[m] [ ] = [Joules] = [J] F * d = W WORK W = F*d WORK Q: You can lift a maximum of 1000 Newtons.
Time allowed: 1 hour 45 minutes
GCSE PHYSICS Higher Tier Paper 1H H Specimen 2018 Time allowed: 1 hour 45 minutes Materials For this paper you must have: a ruler a calculator the Physics Equation Sheet (enclosed). Instructions Answer