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Unit vector is used to specify:
NET
NUST Entry Test
Physics
Vectors and Equilibrium
The magnitude of resultant of three vectors is 3. Its x-component is one, y-component is two, then its z-component is:
NET
NUST Entry Test
Physics
Vectors and Equilibrium
If B=i-2j+2k, then unit vector along B will be:
NET
NUST Entry Test
Physics
Vectors and Equilibrium
If displacement of a body is d=3i, its only significance is:
NET
NUST Entry Test
Physics
Vectors and Equilibrium
The resultant of two velocities 3 m/sec and 400 cm/sec making an angle $90^{\circ}$ with each other is:
NET
NUST Entry Test
Physics
Vectors and Equilibrium
A force of 5N is acting on Y-axis. Its component along X-axis is:
NET
NUST Entry Test
Physics
Vectors and Equilibrium
The magnitude of the resultant of two forces may be increased by:
NET
NUST Entry Test
Physics
Vectors and Equilibrium
Which of the following is a scalar quantity?
NET
NUST Entry Test
Physics
Vectors and Equilibrium
All trigonometric functions are positive in _______ quadrant:
NET
NUST Entry Test
Physics
Vectors and Equilibrium
Two forces each of magnitude F act perpendicular to each other. The angle made by the resultant force with the horizontal will be:
NET
NUST Entry Test
Physics
Vectors and Equilibrium
Two forces of 10N and 8N are applied simultaneously to a body. The maximum value of their resultant is:
NET
NUST Entry Test
Physics
Vectors and Equilibrium
Two forces each of 10N magnitude act on a body. If the forces are inclined at $30^{\circ}$ and $60^{\circ}$, respectively with x-axis, then x-component of their resultant is:
NET
NUST Entry Test
Physics
Vectors and Equilibrium
Two forces of magnitude F act perpendicular to each other. Their resultant vector will have magnitude
NET
NUST Entry Test
Physics
Vectors and Equilibrium
Position vector of a point in YZ plane is given by:
NET
NUST Entry Test
Physics
Vectors and Equilibrium
Magnitude of vector $\overrightarrow{A}=2i-2j+k$ is:
NET
NUST Entry Test
Physics
Vectors and Equilibrium
Two forces act together on an object. The magnitude of their resultant is zero when the angle between these forces are:
NET
NUST Entry Test
Physics
Vectors and Equilibrium
When a vector is multiplied by a negative number, its direction:
NET
NUST Entry Test
Physics
Vectors and Equilibrium
A vector of 10N makes an angle of $\45^{\circ}$ with x-axis. Angle between its rectangular components will be:
NET
NUST Entry Test
Physics
Vectors and Equilibrium
The sum of two or more vectors is equal to a single vector which is called:
NET
NUST Entry Test
Physics
Vectors and Equilibrium
A vector having the same magnitude as that of $\overrightarrow{A}$ but opposite in direction is called:
NET
NUST Entry Test
Physics
Vectors and Equilibrium
A vector which has magnitude 'one' is called:
NET
NUST Entry Test
Physics
Vectors and Equilibrium
A unit vector is generally represented by:
NET
NUST Entry Test
Physics
Vectors and Equilibrium
If A=7j+7k and B=-j+k, then A+2B will be:
NET
NUST Entry Test
Physics
Vectors and Equilibrium
If A+B=7j+7k and A-B=-j+k, then magnitude of A and B are:
NET
NUST Entry Test
Physics
Vectors and Equilibrium
Two vectors to be combined have magnitudes 60N and 35N. Pick the possible answer:
NET
NUST Entry Test
Physics
Vectors and Equilibrium
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