Related Questions

Coplanar non-concurrent forces are those forces which __________ at one point, but their lines of action lie on the same plane.
A Meet
B Do not meet
C Either ‘A’ or ‘B’
D None of these
A system of coplanar forces acting on a rigid body can be reduced to
A One force only
B One couple only
C One force and one couple only
D None of the above
Three forces which act on a rigid body to keep it in equilibrium. The forces must be coplanar and
A Concurrent
B Parallel
C Concurrent parallel
D None of these
The change in length due to a tensile or compressive force acting on a body is given by (where P = Tensile or compressive force acting on the body, $$l$$ = Original length of the body, A = Cross-sectional area of the body and E = Young's modulus for the material of the body)
A $$\frac{{{\text{P}}l{\text{A}}}}{{\text{E}}}$$
B $$\frac{{{\text{P}}l}}{{{\text{AE}}}}$$
C $$\frac{{\text{E}}}{{{\text{P}}l{\text{A}}}}$$
D $$\frac{{{\text{AE}}}}{{{\text{P}}l}}$$
Varingon's theorem of moments states that if a number of coplanar forces acting on a particle are in equilibrium, then
A Their algebraic sum is zero
B Their lines of action are at equal distances
C The algebraic sum of their moments about any point in their plane is zero
D The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point
According to the law of moments, if a number of coplanar forces acting on a particle are in equilibrium, then
A Their algebraic sum is zero
B Their lines of action are at equal distances
C The algebraic sum of their moments about any point in their plane is zero
D The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point
If a number of coplanar forces acting at a point be in equilibrium, the sum of clockwise moments must be __________ the sum of anticlockwise moments, about any point.
A Equal to
B Less than
C Greater than
D None of these
Non-coplanar concurrent forces are those forces which
A Meet at one point, but their lines of action do not lie on the same plane
B Do not meet at one point and their lines of action do not lie on the same plane
C Meet at one point and their lines of action also lie on the same plane
D Do not meet at one point, but their lines of action lie on the same plane
Coplanar concurrent forces are those forces which
A Meet at one point, but their lines of action do not lie on the same plane
B Do not meet at one point and their lines of action do not lie on the same plane
C Meet at one point and their lines of action also lie on the same plane
D Do not meet at one point, but their lines of action lie on the same plane
Non-coplanar non-concurrent forces are those forces which
A Meet at one point, but their lines of action do not lie on the same plane
B Do not meet at one point and their lines of action do not lie on the same plane
C Do not meet at one point but their lines of action lie on the same plane
D None of the above

Next steps