ECAT Pre Computer Science Chapter 2 MCQ Test With Answer

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

Try The 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

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

Question # 2

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

Question # 3

By convention, torques producing clockwise rotation are taken as:

Question # 4

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

Question # 5

Two vectors to be combined have magnitudes of 60 N and 35 N. Pick the possible answer:

Question # 6

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

Question # 7

The rectangular components of a vector are equal in magnitude when the vector makes and angle _______with their x-component:

Question # 8

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

Question # 9

The direction of vector in space is specified by:

Question # 10

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

Question # 11

A vector which has magnitude 'one' is 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 magnitude of the resultant of two forces may be increased by:

Question # 14

Scalar product is also called:

Question # 15

Choose the set of physical quantities, which have both numerical and directional properties:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 Unit vector is used to specify:
A. Magnitude of a vector
B. Dimensions of a vector
C. Direction of a vector
D. Position of a vector
2 Scalar product is also called:
A. Cross product
B. Dot product
C. Product scalar
D.
Product vector
3 If a vector lies in second quadrant, than Bxand Byare:
A. -,+
B. +,-
C. +,+
D. -,-
4 The driection of vector si space is specified by:
A.
One angle
B. Two angles
C. Three angles
D. None of above
5 The perpendicular distance from the axis of rotation to the line of action of force is called:
A. Moment arm
B. Moment of a force
C. Torque
D. Non 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 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
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 All trigonometric functions (since, cosine tangent etc. ) are positive in:
A. 1st Quadrant
B. 2nd Quadrant
C. 3rd Quadrant
D. 4th Quadrant
10 Torque is also called:
A. Momentum
B. Linear inertia
C. Moment of a force
D. Mass

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