Question

Identify the following quantity as being either a scalar or a vector: 9.8 m/s/s, down a. Scalar b. Vector c. Neither

Answer 1

Answer:

vector

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Explanation:

Answer 2

• Identify the following quantity as being either a scalar or a vector : 9.8 (m/s)/s down

(a. Scalar (b. Vector (c. Neither

• The given quantity is Vector quantity.

● Why 9.8 (m/s)/s is vector quantity ?

• 9.8 (m/s)/s or $\bf \red{ {9.8m}/{s}^{ 2} }$ is quantity which denotes certain measurement of acceleration in downward direction.

● What are vector quantities ?

• Those measurements which has both magnitude & direction.

• It can either be negative or positive.

• Its examples are - Displacement, Force, Velocity & many more.

☆ Extra Information

• There also exists some other types of quantities : Scalar & Tensor Quantity

◇ Scalar Quantities are those measurements which has only magnitude but not direction. It can only exist as positive value but not negative or zero.

◇ Tensor Quantities are either scalar or vector quantity.