What is a scalar quantity?A quantity which has magnitude and directionA quantity which has magnitude onlyA quantity which has direction onlyA quantity which has neither magnitude nor direction2What is a vector quantity?A quantity which has magnitude onlyA quantity which has neither magnitude nor directionA quantity which has direction onlyA quantity which has magnitude and direction3Which of the following is a scalar quantity?ForcePressureVelocityDisplacement4Which of the following is a vector quantity?EnergyTemperatureWeightArea5Joe drives 30 km north, then 40 km south. What distance does he travel during this journey?70 km10 km0 km–10 km6Joe drives 30 km north, then 40 km south. What is his displacement (from his starting position) at the end of this journey?10 km north70 km north10 km south70 km south
Question
What is a scalar quantity?A quantity which has magnitude and directionA quantity which has magnitude onlyA quantity which has direction onlyA quantity which has neither magnitude nor direction2What is a vector quantity?A quantity which has magnitude onlyA quantity which has neither magnitude nor directionA quantity which has direction onlyA quantity which has magnitude and direction3Which of the following is a scalar quantity?ForcePressureVelocityDisplacement4Which of the following is a vector quantity?EnergyTemperatureWeightArea5Joe drives 30 km north, then 40 km south. What distance does he travel during this journey?70 km10 km0 km–10 km6Joe drives 30 km north, then 40 km south. What is his displacement (from his starting position) at the end of this journey?10 km north70 km north10 km south70 km south
Solution
- A scalar quantity is a quantity which has magnitude only.
- A vector quantity is a quantity which has magnitude and direction.
- Pressure is a scalar quantity.
- Force is a vector quantity.
- Joe travels a distance of 70 km during his journey.
- Joe's displacement from his starting position at the end of his journey is 10 km south.
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