Flashcards on Forces, Motion, and Pressure
Forces, Motion, and Pressure Explained: Your Guide to Physics
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Forces (Physics)
24 cards
Card 1
Question: What is acceleration?
Answer: How quickly speed increases.
Card 2
Question: What is deceleration?
Answer: How quickly your speed decreases.
Card 3
Question: Define air resistance.
Answer: The frictional force caused by air on a moving object.
Card 4
Question: What is pressure and its unit?
Answer: Pressure is the force per unit area exerted on a surface. Unit is pascal (Pa).
Card 5
Question: How is speed defined?
Answer: How much distance is covered in a given time.
Card 6
Question: What does a linear graph mean in this context?
Answer: A straight line graph.
Card 7
Question: What is mass and how is it measured?
Answer: The amount of stuff in an object. Measured using a balance in kilograms (Kg).
Card 8
Question: Define friction.
Answer: A contact force that opposes motion.
Card 9
Question: What is drag?
Answer: The frictional force caused by any fluid (a liquid or gas) on a moving object.
Card 10
Question: What is a fluid?
Answer: Materials where particles are able to move freely (liquids and gases).