Physics Fsc Part 1 Chapter 2 Online Test

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

• 45° A
• 60° B
• 75° C
• 90° 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

Head to tail rule is used for

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

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

Name the quantity which is a vector.

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

The sum of two or more vectors will be a single vector called

• Component vector A
• Position vector B
• -ve vector C
• Resultant vector 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

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

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

Maximum number of components of a vector may be

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

• 
  A
• 
  B
• 
  C
• 
  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

Which is the example of vector quantity

• Torque A
• Speed B
• Density C
• Work 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

Direction of a vector in space requires

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

Parallel vectors of same magnitude will be

• Equal A
• Opposite 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