Related Questions

Two forces of magnitude 3m and 2m respectively have a resultant R. if the first force is doubled, the magnitude of the resultant is doubled.Find the angle betuween forces?
A 90°
B 120°
C 135°
D 145°
If the resultant of two forces has the same magnitude as either of the force, then the angle between the two forces is
A 30°
B 45°
C 60°
D 120°
Parallelogram Law of Forces states, "if two forces acting simultaneously on a particle be represented in magnitude and direction by two adjacent sides of a parallelogram, their resultant may be represented in magnitude and direction by
A Its longer side
B Its shorter side
C The diagonal of the parallelogram which does not pass through the point of intersection of the forces
D The diagonal of the parallelogram which passes through the point of intersection of the forces
3N ও 2N মানের দুইটি বলের লদ্ধি R । প্রথম বলের মান দ্বিগুণ করলে লদ্ধির মানও দ্বিগুণ হয়। বলদ্বয়ের মধ্যবর্তী কোণের মান হবে- (The resultant of two forces 3N and 2N is R. If the first force is doubled then the resultant is also doubled. The angle between the forces is-)
A 30°
B 45°
C 65°
D 120°
The resultant of two forces P and Q is R. If Q is doubled, the new resultant is perpendicular to P. Then,
A P = R
B Q = R
C P = Q
D None of the above is correct
The resultant of the two forces ‘P’ and ‘Q’ is ‘R’. If ‘Q’ is doubled, the new resultant is perpendicular to ‘P’. Then
A P = Q
B Q = R
C Q = 2R
D None of these
The resultant of the two forces P & Q is R. If Q is doubled, the new resultant is perpendicular to P. Then
A P = Q
B Q = R
C Q = 2R
D Q = 3R
If two forces each equal to ‘T’ in magnitude act at right angles, their effect may be neutralized by a third force acting along their bisector in opposite direction whose magnitude will be
A 2T
B $$\frac{1}{2}{\text{T}}$$
C $$\sqrt 2 {\text{ T}}$$
D 3T
The resultant of two equal forces P making an angle $$\theta ,$$ is given by
A $$2{\text{P}}\sin \frac{\theta }{2}$$
B $$2{\text{P}}\cos \frac{\theta }{2}$$
C $$2{\text{P}}\tan \frac{\theta }{2}$$
D $$2{\text{P}}\cot \frac{\theta }{2}$$
The resolved part of the resultant of two forces inclined at an angle 'θ' in a given direction is equal to
A The algebraic sum of the resolved parts of the forces in the given direction
B The sum of the resolved parts of the forces in the given direction
C The difference of the forces multiplied by the cosine of θ
D The sum of the forces multiplied by the sine of θ

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