Applied Mechanics and Graphic Statics A projectile is thrown at an angle ‘α’ to the horizontal with velocity ‘v’. It will have the maximum centripetal acceleration At the start Elsewhere At the top of the trajectory As it strikes the ground At the start Elsewhere At the top of the trajectory As it strikes the ground ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the angular distance, 0 = 2t³ ‑ 3t², the angular acceleration at t = 1 sec. is 1 rad/sec² 4 rad/sec² 6 rad/sec² 12 rad/sec² 1 rad/sec² 4 rad/sec² 6 rad/sec² 12 rad/sec² ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The characteristic of a couple is: A couple can be never the balanced by a single force Algebraic sum of moments of forces, constituting a couple, about any point, is same Algebraic sum of forces, constituting a couple is zero All listed here A couple can be never the balanced by a single force Algebraic sum of moments of forces, constituting a couple, about any point, is same Algebraic sum of forces, constituting a couple is zero All listed here ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A marble ball is rolled on a smooth floor of a room to hit a wall. If the time taken by the ball in returning to the point of projection is twice the time taken in reaching the wall, the coefficient of restitution between the ball and the wall, is 0.50 0.25 1.0 0.75 0.50 0.25 1.0 0.75 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics On a mass ‘m’ describing a circular path of radius ‘r’, the centrifugal force Acts away from the centre of rotation Acts tangentially to the circular path Is mw2r/g kgf Acts towards the centre of rotation Acts away from the centre of rotation Acts tangentially to the circular path Is mw2r/g kgf Acts towards the centre of rotation ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The force acting on a point on the surface of a rigid body may be considered to act At any point on the surface normal to the line of action of the force On any point on the line of action of the force At the centre of gravity of the body On the periphery of the body At any point on the surface normal to the line of action of the force On any point on the line of action of the force At the centre of gravity of the body On the periphery of the body ANSWER DOWNLOAD EXAMIANS APP
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