The statement the resultant of the external forces applied to a body (rigid or non-rigid) composed of a system of particles is equivalent to the vector summation of the effective forces acting on all particles-is known as

Related MCQs

• When two forces acting at a point are such that if the direction of one is reversed, the direction of the resultant is turned through a right angle, the forces must be
• The statement --- if forces acting on a point can be represented in magnitude and direction by the sides of a polygon taken in order then their resultant will be represented in magnitude and direction by the closing side of the polygon taken in opposite order ---- is known as
• The resultant of a force acting on a body will be zero, if the body
• When all the forces acting on a body lie in one plane and their lines of action meet at one point, the forces
• If three non-parallel forces hold a rigid body in equilibrium, they must
• A rigid body is in equilibrium under the action of these forces when
• The statement ---- if three forces acting at a point are in equilibrium, each force is proportional to the sine of the angle between the other two ---- is known as
• The necessary condition for the forces acting on a body to be in equilibrium is that these should be
• A couple consists of a force P acting at a point A whose coordinates are (-1,2,4) m and force - F acting at a point whose coordinates are (2,3, -2)m. If F = 3i + 2j - 4k in kg units the moment of the couple in kg - m units would be
• Two forces of 6 and 8 kg act at right angles to each other, the resultant force will be