Engineering Mechanics When a body falls freely under gravitational force, it possesses __________ weight. None of these No Maximum Minimum None of these No Maximum Minimum ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a square of side (a) about an axis through its center of gravity is a4/8 a4/4 a4/12 a4/36 a4/8 a4/4 a4/12 a4/36 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When a body of mass 'm' attains a velocity 'v' from rest in time 't', then the kinetic energy of translation is 0.5 mgv2 mgv2 0.5 mv2 mv2 0.5 mgv2 mgv2 0.5 mv2 mv2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If the gravitational acceleration at any place is doubled, then the weight of a body will be √2.g 2g g g/2 √2.g 2g g g/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The loss of kinetic energy during inelastic impact, is given by (where m1 = Mass of the first body,m2 = Mass of the second body, and u1 and u2 = Velocities of the first and second bodies respectively.) [2(m₁ + m₂)/m₁ m₂] (u₁ - u₂)² [m₁ m₂/2(m₁ + m₂)] (u₁ - u₂)² [m₁ m₂/2(m₁ + m₂)] (u₁² - u₂²) [2(m₁ + m₂)/m₁ m₂] (u₁² - u₂²) [2(m₁ + m₂)/m₁ m₂] (u₁ - u₂)² [m₁ m₂/2(m₁ + m₂)] (u₁ - u₂)² [m₁ m₂/2(m₁ + m₂)] (u₁² - u₂²) [2(m₁ + m₂)/m₁ m₂] (u₁² - u₂²) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The static friction Always acts in a direction, opposite to that in which the body tends to move Is independent of the area of contact, between the two surfaces Bears a constant ratio to the normal reaction between the two surfaces All of these Always acts in a direction, opposite to that in which the body tends to move Is independent of the area of contact, between the two surfaces Bears a constant ratio to the normal reaction between the two surfaces All of these ANSWER DOWNLOAD EXAMIANS APP
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