Question # 1

The resultant of two forces 3 N and 4 N acting at right angle to each other is

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7 N

5 N

4 N

1 N

Parallel vectors of same magnitude will be

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Equal

Opposite

Both a and b

None of these

A force of 100 N makes on angle of 60^owith y axis, its horizontal component is.

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50 N

60 N

70.7 N

86.6 N

Force 12 N and 5 N are add, the resultant con not be

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13 N

6 N

7 N

17 N

Dot product of two non zero vectors is zero it angle between them is.

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30^o

60^o

45^o

90^o

If a vector of magnitude 10 N along y-axis then its component along x-axis is

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0 N

5 N

8.66 N

10 N

Which is the example of vector quantity

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Torque

Speed

Density

Work

When a fore of 100 N is acting on an object along x-axis then its vertical component will be.

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50 N

0 N

25 N

10 N

The angle between x-axis, y-axis and z-axis is

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45°

60°

75°

90°

Minimum number of unequal forces whose vector sum can be zero are.

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5

4

3

2

The resultant of two vectors having magnitude 12 N and 8 N can not be

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2 N

20 N

10 N

16 N

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Physics English Medium Fsc Part 1 Chapter 2 Online MCQs Test MCQs With Answers

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