ECAT Pre General Science Physics Chapter 2 MCQ Test With Answer

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

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 2 Vectors and Equilibrium

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ECAT Pre General Science Physics Chapter 2 Vectors and Equilibrium

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Question # 1

The driection of vector si space is specified by:

Question # 2

Two forces each of the magnitude F act perpendicular to each other. The angle made by the resultant force with the horizontal will be:

Question # 3

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

Question # 4

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

Question # 5

Scalar product is also called:

Question # 6

Parallel vectors of same magnitudes:

Question # 7

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 # 8

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

Question # 9

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

Question # 10

When a vector is multiplied by a negative number, its direction:

Question # 11

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

Question # 12

Torque is also called:

Question # 13

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

Question # 14

The direction of vector in space is specified by:

Question # 15

Which of the following is scalar quantity?

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 The rectangular components of a vector are equal in magnitude when the vector makes and angle _______with their x-component:
A. 0°
B. 30°
C. 45°
D. 60°
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 Which of the following is scalar quantity?
A. Electric potential
B. Velocity
C. Momentum
D. Force
4 A force of 5 n is acting Y-axis. Its component along X-axis is:
A. 7 N
B. 5 N
C. Zero
D. 10 N
5 Cosine of an angle is positive in:
A. 2nd quadrant
B. 3rd quadrant
C. 4th quadrant
D. All of these
6 The direction of a vector in space requires:
A. X-axis
B. X and Y-axes
C. XYZ axes
D. Y and Z-axes
7 A vector which has magnitude 'one' is called:
A. Resultant vector
B. A unit vector
C. Position vector
D. None of these
8 The vector is space has:
A. One Component
B. Two Compnents
C. Three Components
D. Non of these
9 All trigonometric functions (since, cosine tangent etc. ) are positive in:
A. 1st Quadrant
B. 2nd Quadrant
C. 3rd Quadrant
D. 4th Quadrant
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:
A. 1.0 N
B. 6 N
C. 3.5 N
D. 12 N

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