EDEXCEL GCSE 9-1 COMBINED SCIENCE FOUNDATION PHYSICS PAPER 1 PART 1 1.0 / 5 based on 1 rating ? SciencePhysicsGCSEEdexcel Created by: jordanb-hCreated on: 22-03-18 19:15 What do Scalar quantities have? a size or a magnitude but no specific direction 1 of 73 State an exam of a Scalar quantity mass 2 of 73 State an exam of a Scalar quantity speed 3 of 73 State an exam of a Scalar quantity distance 4 of 73 State an exam of a Scalar quantity energy 5 of 73 State an exam of a Scalar quantity temperature 6 of 73 What does Vector quantities have? a size or magnitude and a specific direction 7 of 73 State an example of a Vector quantity force or weight 8 of 73 State an example of a Vector quantity velocity 9 of 73 State an example of a Vector quantity displacement 10 of 73 State an example of a Vector quantity acceleration 11 of 73 State an example of a Vector quantity momentum 12 of 73 Speed has a size but velocity has what? a size and direction 13 of 73 What is Velocity? Velocity is speed in a stated direction 14 of 73 All vector quantities can be given what? positive and negative values to show their direction 15 of 73 How do you calculate speed? Speed (m/s)= change in direction (m) / time taken (s) 16 of 73 The greater the change in distance, the what? faster the object is moving 17 of 73 When the change in distance over a period of time is zero, the speed is what? zero and the object is stationary 18 of 73 How do you calculate average speed? average speed (m/s)= total distance travelled (m)/ total time taken (s) 19 of 73 Distance/ time graphs have what ? distance on the y-axis and time on the x-axis. The gradient or slope of the graph tells us about the motion of the object 20 of 73 on a distance/time graph what does a steep line show? the object is moving much faster than before 21 of 73 on a distance/time graph what does a horizontal line show? the object is stationary 22 of 73 on a distance/time graph what does a sloping line show? shows the object is moving. The gradient of the line is shallow, showing that the object is moving slowly 23 of 73 What is Acceleration? is a change in velocity per second. Acceleration is a vector quantity 24 of 73 What is Velocity? is the change in distance per second. Velocity is a vector quantity 25 of 73 How do you calculate acceleration? acceleration (m/s^2)= change in velocity (m/s) / time taken (s) 26 of 73 How do you calculate acceleration? a= (v-u)/ t 27 of 73 In the equation a= (v-u)/ t what is a? a is the acceleration 28 of 73 a= (v-u)/ t what is v? v is the final velocity 29 of 73 a= (v-u)/ t what is u? u is the initial velocity 30 of 73 a= (v-u)/ t what is t? t is the time taken 31 of 73 What do Velocity/time graphs show? how the velocity of a vehicle changes with time. You can also work out acceleration and distance travelled from the graph 32 of 73 On a velocity/time graph what is plotted on the y-axis? velocity 33 of 73 On a velocity/time graph what is plotted on the x-axis? time 34 of 73 On a velocity/time graph What does the slope or gradient of the graph tell us? the acceleration of the vechile 35 of 73 On a velocity/time graph What does the area underneath the graph tell us? the distance travelled 36 of 73 How do you calculate acceleration (gradient) acceleration (gradient) = change in velocity/ change in time 37 of 73 How can you measure speed of objects in the lab? by using light gates connected to a computer or data logger 38 of 73 What is the speed of an object? is how fast it is moving at a given point in time 39 of 73 State a typical speed for Walking 1.5 m/s 40 of 73 State a typical speed for Running 3.0 m/s 41 of 73 State a typical speed for Cycling 6.0 m/s 42 of 73 State a typical speed for Driving 14 m/s 43 of 73 State a typical speed for Speed of Sound in air 330 m/s 44 of 73 State a typical speed for a Airliner 250 m/s 45 of 73 State a typical speed for a Commuter Train 55 m/s 46 of 73 State a typical speed for a Gale-force wind 16 m/s 47 of 73 A body will remain at rest or continue in a straight line at a constant speed as long as what? the forces acting on it are balanced 48 of 73 When a resultant force acts on a mass then there will be what? a change in its velocity. The resultant force determines the size and direction of the subsequent acceleration of the mass 49 of 73 When two or more forces act on the same straight line or are parallel, they can be added together to find what? the resultant force 50 of 73 How can you calculate the acceleration of an object? acceleration (m/s^2)= force (N) / mass (Kg) 51 of 73 The acceleration is in the same direction as what? the force 52 of 73 When the resultant force is zero, the acceleration is what? zero 53 of 73 A negative force means what? the object is accelerating backwards or is slowing down 54 of 73 What is weight? is the force that a body experiences due to its mass and the size of the gravitational field that it is in 55 of 73 What is the resultant force? two or more forces acting on an object can be replaced by one force 56 of 73 What quantity is weight? vector. it is measured in newtons 57 of 73 The weight of a body on the surface of Earth acts inwards towards what? the Earth's centre 58 of 73 How do you calculate the weight of an object? weight (N)= mass (kg) x gravitational field strength (N/kg) 59 of 73 How is weight measured? using a newtonmeter 60 of 73 The greater the mass attached, the more weight it will experience due to what? gravity and the spring will stretch 61 of 73 What is mass? is a measure of the amount of matter that is contained within a three-dimensional space 62 of 73 What quantity is mass and what is it measured in? scalar quantity. measured in kilograms (kg) 63 of 73 The mass of a body is not affected by what? the size of the gravitational field strength it is in 64 of 73 When a body has a large mass and a small radius, it will have what? a large gravitational field strength 65 of 73 State the unit for gravitational field strength newtons per kilogram (N/kg) 66 of 73 State the gravitational field strength on Earth 10 N/kg 67 of 73 State the gravitational field strength on the Moon 1.6 N/kg 68 of 73 State the gravitational field strength on Jupiter 26 N/kg 69 of 73 State the gravitational field strength on Neptune 13.3 N/kg 70 of 73 State the gravitational field strength on Mercury 3.6 N/kg 71 of 73 State the gravitational field strength on Mars 3.75 N/kg 72 of 73 State the gravitational field strength on a neutron star 10 ^12 N/kg 73 of 73
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