Choose the correct options for the following questions.
Unit vector is used to specify:
Difficulty: Hard
A:
Magnitude of a vector
B:
Dimension of a vector
C:
Direction of a vector
D:
Position of a vector
The angle of a vector $\overrightarrow=A_{x}i=A_{y}j$ with the X-axis will be in between:
Difficulty: Easy
A:
$0^{\circ}$ to $90^{\circ}$
B:
$90^{\circ}$ to $180^{\circ}$
C:
$180^{\circ}$ to $270^{\circ}$
D:
$270^{\circ}$ to $360^{\circ}$
If two forces of magnitudes 3.5N and 2.5N act on a body such that the angle between the forces is zero, then magnitude of the resultant will be:
Difficulty: Easy
A:
1.0N
B:
6N
C:
3.5N
D:
12N
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