Physics ICS Part 1 Chapter 2 Online Test

Vectors have

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

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

• 5 N A
• 6 N B
• 1 N C
• 7 N 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

Two vector can be added by simple arithmetical method when they are at an angle of.

• 120^o A
• 90^o B
• 0^o C
• 45^o 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

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

What would encourage trade between two countries

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

Dot product of vector with itself is.

• Zero A
• 2 A B
• A² C
• A D

Parallel vectors of same magnitude will be

• Equal A
• Opposite B
• Both a and b C
• None of these D

Which is the example of vector quantity

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

The dot product of two vectors A and B will be zero, if angle between A and B is

• Zero A
• 30^o B
• 90^o C
• 180^o D

Name the quantity which is a vector.

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

Usually the x-axis is taken as

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

When a fore of 100 N is acting on an object along x-axis then its vertical component will be.

• 50 N A
• 0 N B
• 25 N C
• 10 N D

Vector has both of its components are negative lies in

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

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