Applied Mechanics and Graphic Statics A ball which is thrown upwards, returns to the ground describing a parabolic path during its flight Kinetic energy of the ball remains constant Horizontal component of velocity remains constant Speed of the ball remains constant Vertical component of velocity remains constant Kinetic energy of the ball remains constant Horizontal component of velocity remains constant Speed of the ball remains constant Vertical component of velocity remains constant ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Power can be expressed as Work/distance Work × time Work/time Work/energy Work/distance Work × time Work/time Work/energy ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the given forces P₁, P₂, P₃ and P₄ are such that the force polygon does not close, then the system will Be in equilibrium Both (A) and (C) Always reduce to a couple Always reduce to a resultant force Be in equilibrium Both (A) and (C) Always reduce to a couple Always reduce to a resultant force ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A flywheel of moment of inertia 20 kg.m is acted upon by a tangential force of 5 N at 2 m from its axis, for 3 seconds. The increase in angular velocity in radian per second is 2 3 43892 43832 2 3 43892 43832 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In a lifting machine a weight of 5 kN is lifted through 200 mm by an effort of 0.1 kN moving through 15 m. The mechanical advantage and velocity ratio of the machine are respectively 75 and 50 50 and 50 75 and 75 50 and 75 75 and 50 50 and 50 75 and 75 50 and 75 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A satellite is said to move in a synchronous orbit if it moves at an altitude of 36,000 km with a maximum velocity of about 11,000 km per hour 7000 km per hour 8000 km per hour 9000 km per hour 11,000 km per hour 7000 km per hour 8000 km per hour 9000 km per hour ANSWER DOWNLOAD EXAMIANS APP