ECAT Pre Computer Science Chapter 2 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 2 Vectors and Equilibrium

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ECAT Physics Chapter 2 Vectors and Equilibrium

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Question # 1

Unit vector is used to specify:

Question # 2

Two forces each of 10 N act on a body, if the force are inclined at 30° and 60° respectively with x-axis, then x-component of their resultant is:

Question # 3

An vector of 10 N makes an angle of 45° with x-axis. Angle between its rectangular components with be:

Question # 4

The direction of a vector in space requires:

Question # 5

The vector is space has:

Question # 6

If two forces of magnitudes 3.5 and 2.5 N act on a body such that the angle between the forces is zero, then magnitude of the resultant will be:

Question # 7

When the magnitude of two component vectors are equal to that of their resultant, then the angle between the components is:

Question # 8

If a vector lies in second quadrant, than Bxand Byare:

Question # 9

Two forces of 10N and 8N are applied simultaneously to a body. The maximum value of their resultant is:

Question # 10

The sum of two or more vectors is equal to a single vector which is called:

Question # 11

Scalar product is also called:

Question # 12

The magnitude of resultant of three vectors is 3. Its x-component is one, y-component is two, then its z-component is:

Question # 13

The vector in space has:

Question # 14

Two forces of 10 N and 8 N are applied simultaneously to a body. the maximum value of their resultant is:

Question # 15

A force of 5 n is acting Y-axis. Its component along X-axis is:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 Two vectors to be combined have magnitudes of 60 N and 35 N. Pick the possible answer:
A. 100 N
B. 70 N
C. 20 N
D. Zero
2 A vector of magnitude 5 N is added to a vector of magnitude 8 N while the orientations are changeable. Range of their possible sum will be very from:
A. Zero to 3 N
B. 1 N to 13 N
C. 13 N to 3 N
D. None of these
3 The vector in space has:
A. One component
B. Two components
C. Three components
D. None of these
4 Scalar product is also called:
A. Cross product
B. Dot product
C. Product scalar
D.
Product vector
5 A person starts his journey from a point 0, travels 4 Km SW, then 4 Km NW, and finally 4 Km north-east. At what distance is he now from point 0?
A. 0 Km
B. 4 Km
C. 8 Km
D. 12 Km
6 The driection of vector si space is specified by:
A.
One angle
B. Two angles
C. Three angles
D. None of above
7 Two vectors having different magnitudes:
A. Have their directions opposite
B. May have their resultant zero
C. Cannot have their resultant zero
D. None of these
8 Parallel vectors of same magnitudes:
A. Are equal
B. Are unequal
C. When added give the some equal to zero
D. Give the answer equal to zero
9 Cosine of an angle is positive in:
A. 2nd quadrant
B. 3rd quadrant
C. 4th quadrant
D. All of these
10 When a vector is multiplied by a negative number, its direction:
A. Remains the same
B. Changes
C. Changes by 180°
D. None of these

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