Edexcel A Level Physics:復習筆記2.7 Projectiles
Components of Velocity The trajectory of an object undergoing projectile motion consists of a?vertical?component and a?horizontal?component These need to be evaluated separately Some key ter...
Edexcel A Level Physics:復習筆記2.6 Finding the Resultant Vector
Adding Vectors Vectors can be combined by?adding?or?subtracting?them to produce the resultant vector The resultant vector is sometimes known as the ‘net’ vector (eg. the net force) There are...
Edexcel A Level Physics:復習筆記2.5 Resolving Vectors
Resolving Vectors Vectors?are represented by an arrow The?arrowhead?indicates the?direction?of the vector The?length?of the arrow represents the?magnitude Component?vectors are sometimes drawn with...
Edexcel A Level Physics:復習筆記2.4 Scalars & Vectors
Scalars & Vectors A?scalar?is a?quantity?which?only?has a magnitude (size) A?vector?is a quantity which has?both?a magnitude and a direction For example, if a person goes on a hike in th...
Edexcel A Level Physics:復習筆記2.3 Properties of Motion Graphs
Slope & Area of Motion Graphs Slope & Area of Motion Graphs Three types of graph that are used to represent motion are?displacement-time?graphs,?velocity-time?graphs and?acceleration-time?g...
Edexcel A Level Physics:復習筆記2.2 Motion Graphs
Motion Graphs Three types of graph that are used to represent motion are?displacement-time?graphs,?velocity-time?graphs and?acceleration-time?graphs Graphs are named 'y-axis - x-axis', so 'displace...
Edexcel A Level Physics:復習筆記2.1 Equations of Motion
Equations of Motion The kinematic equations of motion are a set of four equations which can describe any object moving with?constant?acceleration They are often referred to as the 'suvat' equations...
Edexcel A Level Physics:復習筆記1.8 Science & Society
Science Informs Decision Making Society?makes decisions based on?scientific evidence This is why the evidence must be thoroughly tested and trusted Scientific work leads to important?discoveries?th...
Edexcel A Level Physics:復習筆記1.7 The Scientific Community
Validating Experimental Results The scientific community works together to ensure that the knowledge and understanding of scientific concepts are kept as up to date as possible This comes from cont...
Edexcel A Level Physics:復習筆記1.6 Applications of Science
Applications of Science Investigations & Evaluations An?application?of science involves using?scientific knowledge?to carry out an?investigation For example, developing a new type of radiothera...
Edexcel A Level Physics:復習筆記1.5 Scientific Communication
Scientific Communication Scientific communication of the results of an experiment are extremely important The ideas must be communicated in an appropriate way using appropriate terminology This inv...
Edexcel A Level Physics:復習筆記1.4 Limitations of Measurements
Limitations of Measurement Types of Error Measurements of quantities are made with the aim of finding the?true value?of that quantity In reality, it is impossible to obtain the true value of any qu...
