ECAT Pre Engineering Physics Chapter 2 MCQ Test With Answer

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

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Physics ECAT Pre Engineering Chapter 2 Vectors and Equilibrium

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Question # 1

Two vectors having different magnitudes:

Question # 2

The vector in space has:

Question # 3

If the vector 5 N lies along with x-axis, then its component along y-axis will be:

Question # 4

Cosine of an angle is positive in:

Question # 5

The vector is space has:

Question # 6

The direction of a vector in space requires:

Question # 7

Tick the correct answer:

Question # 8

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

Question # 9

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

Question # 10

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 # 11

The direction of vector in space is specified by:

Question # 12

The change of order of vectors in a dot product of two vectors:

Question # 13

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

Question # 14

The magnitude of the resultant of two forces may be increased by:

Question # 15

All trigonometric functions (since, cosine tangent etc. ) are positive in:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 Two forces of 10N and 8N are applied simultaneously to a body. The maximum value of their resultant is:
A. 20 N
B. -2 N
C. 18 N
D. 36 N
2 All trigonometric functions (sine, cosine, tangent etc) are positive in:
A. 1st quadrant
B. 2nd quadrant
C. 3rd quadrant
D. 4th quadrant
3 Which of the following is scalar quantity?
A. Electric potential
B. Velocity
C. Momentum
D. Force
4 The magnitude of the resultant of two forces may be increased by:
A. Increasing the angle between them
B. Decreasing the angle between them
C. Drawing a triangle to represent them
D. None of these
5 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
6 Choose the set of physical quantities, which have both numerical and directional properties:
A. Velocity, mass
B. Speed, acceleration
C. acceleration weight
D. Distance, force
7 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
8 For measuring the angle between two vectors graphically, we join:
A. Tails of both the vectors
B. Tail of one vector with the head of other
C. Heads of both the vectors
D. None of these
9 Two forces of 10 N and 8 N are applied simultaneously to a body. the maximum value of their resultant is:
A. 2 N
B. - 2 N
C. 18 N
D. 36 N
10 The direction of a vector in space requires:
A. X-axis
B. X and Y-axes
C. XYZ axes
D. Y and Z-axes

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