Mechanics (Vector)

1. A vector is a quantity that has

Magnitude only

Direction only

Magnitude and direction

Magnitude or direction

2. The diagram shows four forces acting on a block. What is the resultant force?

5N to left

6 N to right

11 N to right

16 N to left

3. The maximum value of the resultant of two forces acting at a point occurs when

They are in the same direction

The angle between them is between 0 degree and 90 degree

They are at right angles to each other

They are in the opposite direction

4. Two forces of magnitudes 8 N and 6 N act on the same body. The angle between the directions of the forces is 90^o. The magnitude of the resultant of the forces will be

7 N

10 N

14 N

24 N

5. Which of the following is not a vector quantity?

Displacement

Speed

Velocity

Acceleration

Density

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