First Year Physics Chapter 2 Online MCQ Test for 1st Year Physics Chapter 2 (Vectors and Equilibrium)

Which is the example of vector quantity

• Torque A
• Speed B
• Density C
• Work D

Vector has both of its components are negative lies in

• 1st quadrant A
• 2nd quadrant B
• 3rd quadrant C
• 4th quadrant D

The force and torque are analogous to

• Velocity A
• Mass and weight B
• Moment of Inertia C
• Each other D

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

• 50 N A
• 60 N B
• 70.7 N C
• 86.6 N D

• Unit vector A
• +ve of a vector B
• Resultant vector C
• -ve of a vector D

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

• 30^o A
• 60^o B
• 45^o C
• 90^o D

The direction of null vector can be

• (+) ve A
• (-) ve B
• Arbitrary C
• Zero D

A direction of torque is

• Along the position vector r A
• Perpendicular to both r and f B
• Along the direction of force F C
• Opposite to the direction of r D

What would encourage trade between two countries

• Different tax system A
• Frontier checks B
• National currencies C
• reduced tariffs D

Name the quantity which is a vector.

• Speed A
• Force B
• Temperature C
• Density D

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

• 7 N A
• 5 N B
• 4 N C
• 1 N D

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

• 45° A
• 60° B
• 75° C
• 90° D

Vectors have

• Numerical value A
• Directional B
• Both a and b C
• None of these D

The subtraction of a vector is equivalent to the addition with

• Same direction A
• Perpendicular direction B
• Reversed direction C
• All of these D

Usually the x-axis is taken as

• Vertical axis A
• Horizontal axis B
• +ve axis C
• -ve axis D

A force of 10N makes an angle 30o with y axis. Then magnitude of x -component is.

• 5 N A
• 8.66 N B
• 10 N C
• Zero D

Maximum number of components of a vector may be

• Infinite A
• One B
• two C
• three D