Engineering Mechanics According to the law of moments, if a number of coplanar forces acting on a particle are in equilibrium, then The algebraic sum of their moments about any point in their plane is zero The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point Their lines of action are at equal distances Their algebraic sum is zero The algebraic sum of their moments about any point in their plane is zero The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point Their lines of action are at equal distances Their algebraic sum is zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics According to Newton's first law of motion, Everybody continues in its state of rest or of uniform motion, in a straight line, unless it is acted upon by some external force The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction, in which the force acts To every action, there is always an equal and opposite reaction None of these Everybody continues in its state of rest or of uniform motion, in a straight line, unless it is acted upon by some external force The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction, in which the force acts To every action, there is always an equal and opposite reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If two bodies having masses m1 and m2 (m1>m2) have equal kinetic energies, the momentum of body having mass m1 is _________ the momentum of body having mass m2. Equal to Greater than Less than None of these Equal to Greater than Less than None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The linear acceleration (a) of a body rotating along a circular path of radius (r) with an angular acceleration of α rad/s2, is a = α.r a = α/ r None of these a = r / α a = α.r a = α/ r None of these a = r / α ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Whenever a force acts on a body and the body undergoes a displacement, then Body has kinetic energy of translation Work is said to be done Power is being transmitted None of these Body has kinetic energy of translation Work is said to be done Power is being transmitted None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a solid cone of mass ‘m’ and base radius ‘r’ about its vertical axis is 3mr²/10 4mr²/5 2mr²/5 3mr²/5 3mr²/10 4mr²/5 2mr²/5 3mr²/5 ANSWER DOWNLOAD EXAMIANS APP
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