What is the difference between a scalar and a vector quantity?
Show answer
A scalar quantity has magnitude only. A vector quantity has both magnitude and an associated direction.
The Nextutor Physics flashcard library has 42 decks and 630 cards across 13 topics for GCSE and A-Level, including Forces, Energy, Electricity and more. Decks are tagged by exam board (AQA, Edexcel and OCR) so you can revise from the version that matches your course.
What is the difference between a scalar and a vector quantity?
A scalar quantity has magnitude only. A vector quantity has both magnitude and an associated direction.
What is Hooke's Law
Force is proportional to extension within the elastic limit.
State the equation used to calculate kinetic energy.
Kinetic energy is calculated using the equation: E_k = 0.5 * m * v^2. Mass is measured in kilograms (kg) and speed is measured in metres per second (m/s).
What is resistance?
Opposition to the flow of electric current.
What is electric current?
Current is the rate of flow of electrical charge. It is measured in amperes (A).
What is a wave
A disturbance that transfers energy through a medium.
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The library currently covers 13 topics: Forces; Energy; Electricity; Waves; Space Physics; Magnetism and Electromagnetism; Particle Model and Atomic Structure; Mechanics and Materials; Electricity and Circuits; Waves and Optics; Nuclear Physics and Radioactivity; Fields and Their Effects; Thermal Physics. New decks are added over time.
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