Two forces, and , act at a point. If the magnitude of their resultant is equal to the magnitude of and perpendicular to , and the magnitude of is , what is the magnitude of ?
Q
Q/2
Q/√2
√2 Q
Related Questions
The resultant of two forces, one doubled the other in magnitude is perpendicular to the smaller of the forces. The angle between the two forces is
Two forces of 5 N and 10 N act on a point at an angle of 60 degrees. According to the parallelogram law, what is the magnitude of their resultant?
15 N
5 N
13.2 N
7.5 N
Two forces, each of magnitude F, act on a point. If the angle between them is doubled, what happens to the magnitude of their resultant?
Increases
Decreases
Remains the same
Becomes zero
Two forces, each of magnitude , act at a point at an angle . If the resultant force has the same magnitude , the angle is:
If three vectors acting simultaneously on a particle can be represented in magnitude and direction by the three sides of a triangle taken in order, then the particle will:
Move along the direction of the largest vector
Move in a circular path
Be in equilibrium
Move in a direction opposite to the smallest vector
The parallelogram law of vector addition is equivalent to which other method of vector addition?
Polygon Law of Vector Addition
Triangle Law of Vector Addition
Component Method
Resolution of Vectors
The adjacent sides of a parallelogram are . Then the area of the parallelogram is
4 unit
7 unit
unit
unit
Two forces of equal magnitude F act on an object. For which angle between the forces will the magnitude of the resultant be maximum?
0 degrees
90 degrees
180 degrees
45 degrees
Two forces of magnitudes and act on a particle. The resultant force has a magnitude . If the angle between and is increased, keeping their magnitudes constant, which of the following is true about the magnitude of the resultant force ?
Increases
Decreases
Remains constant
May increase or decrease depending on the initial angle
Which law states that the resultant of two vectors represented in magnitude and direction by the adjacent sides of a parallelogram is given by the diagonal of the parallelogram?
Triangle Law of Vector Addition
Polygon Law of Vector Addition
Parallelogram Law of Vector Addition
Law of Cosines