Engineering Mechanics 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 Principle of independence of forces None of these Principle of resolution of forces Principle of transmissibility of forces Principle of independence of forces None of these Principle of resolution of forces Principle of transmissibility of forces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The coefficient of friction depends upon Area of contact All of these Nature of surfaces Shape of the surfaces Area of contact All of these Nature of surfaces Shape of the surfaces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The Cartesian equation of trajectory is (where u = Velocity of projection, α = Angle of projection, and x, y = Co-ordinates of any point on the trajectory after t seconds.) y = (gx²/2u² cos²α) + x. tanα y = (gx²/2u² cos²α) - x. tanα y = x. tanα + (gx²/2u² cos²α) y = x. tanα - (gx²/2u² cos²α) y = (gx²/2u² cos²α) + x. tanα y = (gx²/2u² cos²α) - x. tanα y = x. tanα + (gx²/2u² cos²α) y = x. tanα - (gx²/2u² cos²α) 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 Power is being transmitted Work is said to be done None of these Body has kinetic energy of translation Power is being transmitted Work is said to be done None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If ‘P’ is the force acting on the body, ‘m’ is the mass of the body and ‘a’ is the acceleration of the body, then according to Newton's second law of motion, P - m.a = 0 P × m.a = 0 P + m.a = 0 P/m.a = 0 P - m.a = 0 P × m.a = 0 P + m.a = 0 P/m.a = 0 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The total energy possessed by a system of moving bodies Is constant at every instant Is maximum in the start and minimum at the end Varies from point to point Is minimum in the start and maximum at the end Is constant at every instant Is maximum in the start and minimum at the end Varies from point to point Is minimum in the start and maximum at the end ANSWER DOWNLOAD EXAMIANS APP
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