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

Force 12 N and 5 N are add, the resultant con not be

• 13 N A
• 6 N B
• 7 N C
• 17 N D

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

• 
  A
• 
  B
• 
  C
• 
  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

The direction of vector in space is specified by

• 1- angle A
• 2- angle B
• 3- angle C
• 4 - angle D

If a vector of magnitude 10 N along y-axis then its component along x-axis is

• 0 N A
• 5 N B
• 8.66 N C
• 10 N D

The magnitude of A will be

• Zero A
• A² B
• 1 C
• A D

When a vector is multiplied by a (-)ve number its direction

• Remains constant A
• Reversed B
• Change by 90° C
• None of these D

Head to tail rule is used for

• Addition of vectors A
• Subtraction of vectors B
• Multiplication of vectors C
• Division of vectors D

The resultant of two vectors having magnitude 12 N and 8 N can not be

• 2 N A
• 20 N B
• 10 N C
• 16 N D

A force of 100 N makes an angle of 60o with Y- Axis, its horizontal component is.

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

Direction of a vector in space requires

• Two axis A
• Three axis B
• Four axis C
• Both a and b D

The resultant of two vectors having magnitude 10 N and 8 N Can not be

• 2 N A
• 9 N B
• 18 N C
• 20 N D

Vector has both of its components are negative lies in

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

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

• 45° A
• 60° B
• 75° C
• 90° D

The resultant of two forces 30 N and 40 N acting parallel to each other is.

• 30 N A
• 40 N B
• 70 N C
• 10 N D

Minimum number of unequal forces whose vector sum can be zero are.

• 5 A
• 4 B
• 3 C
• 2 D