Related Questions

The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is known as
A Principle of independence of forces
B Principle of resolution of forces
C Principle of transmissibility of forces
D None of these
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
If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is
A 30°
B 60°
C 90°
D 120°
The resolved part of the resultant of two forces inclined at an angle θ in a given direction is
A Algebraic sum of the resolved parts of the forces in the direction
B Arithmetical sum of the resolved parts of the forces in the direction
C Difference of the forces multiplied by cosine θ°
D Sum of the forces multiplied by the tangent θ°
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
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°
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 algebraic sum of moments of the forces forming couple about any point in their plane is
A Equal to the moment of the couple
B Constant
C Both of above are correct
D Both of above are wrong
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

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