B)U (zero) iv. The magnitude of the vector product of two a) greater than AB c) less than AB

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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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2022.02.14 21:25
VECTORS
IUII Umer, then the magnitude of cross product of two vectors is
b) 0 (zero)
c) both a and b
iv.
The magnitude of the vector product of two vectors A and B may be [MAQ]
d) undefined
a) greater than AB
c) less than AB
b) equal to AB
d) zero
1
V.
If PxQ =0 and ŌxR=0, then P×R is equal to
1
a) zero
b) PR sin 0
c) PR Cos 0
d) PQ tan 0
GOLD PACKAGE O
BxA
7.
A force F = 4i – 5}+3k
acts at a point = i- 2 j+3k. The torque acting about a point
7; = 3i – 2j- 3k is
[ ]
a) 42î + 30j – 6k
b) 30i + 30ĵ + 10Â
-
c) 42i – 30j+6k
d) 0
[ ] 8. (A×B)+(BxA) is equal to
c) 0
d) 2(Ã+B)
a) 2AB
b) A 5
whose adjacent sides are given by a = 3i - j+ 2k and 5 =î+4j-6k is
9.
7 ares e
Note: area of the paralieiogram is axb]
b) V614 squnits
c) 573 squnits
of) 32 sq units
a) 614
sq
units
STUDENT ADDITIONAL TASK - I
or vector
be expressed as
Transcribed Image Text:2022.02.14 21:25 VECTORS IUII Umer, then the magnitude of cross product of two vectors is b) 0 (zero) c) both a and b iv. The magnitude of the vector product of two vectors A and B may be [MAQ] d) undefined a) greater than AB c) less than AB b) equal to AB d) zero 1 V. If PxQ =0 and ŌxR=0, then P×R is equal to 1 a) zero b) PR sin 0 c) PR Cos 0 d) PQ tan 0 GOLD PACKAGE O BxA 7. A force F = 4i – 5}+3k acts at a point = i- 2 j+3k. The torque acting about a point 7; = 3i – 2j- 3k is [ ] a) 42î + 30j – 6k b) 30i + 30ĵ + 10Â - c) 42i – 30j+6k d) 0 [ ] 8. (A×B)+(BxA) is equal to c) 0 d) 2(Ã+B) a) 2AB b) A 5 whose adjacent sides are given by a = 3i - j+ 2k and 5 =î+4j-6k is 9. 7 ares e Note: area of the paralieiogram is axb] b) V614 squnits c) 573 squnits of) 32 sq units a) 614 sq units STUDENT ADDITIONAL TASK - I or vector be expressed as
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