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Vector Algebra

Short Answer Type

1. Represent graphically a displacement of 40 km., 30° west of south.

The vector

OP with rightwards arrow on top

represents the required displacement.

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2. Represent graphically a displacement of 40 km. 30° cast of north.

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3. Classify the following measures as scalars and vectors.
(i) 5 seconds
(ii) 1000 cm³(iii) 10 Newton
(iv) 30 km hr
(v) 10 g/cm³(vi) 20 m/s towards north

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One Word Answers

4. Classify the following measures as scalars and vectors.
10 kg

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5. Classify the following measures as scalars and vectors.
2 meters north-west

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6. Classify the following measures as scalars and vectors.
40°

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7. Classify the following measures as scalars and vectors.
40 watt

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8. Classify the following measures as scalars and vectors.
10^–19 coulomb

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9. Classify the following measures as scalars and vectors.
20 m/s²

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10. Classify the following measures as scalars and vectors.
time period

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