Applied Mechanics and Graphic Statics According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centers lie on A triangle Two straight lines A point A straight line A triangle Two straight lines A point A straight line ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The point about which combined motion of rotation and translation of a rigid body takes place, is known as Point of rotation Instantaneous centre Virtual centre Instantaneous axis Point of rotation Instantaneous centre Virtual centre Instantaneous axis ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The necessary condition of equilibrium of a body is: Algebraic sum of the moments of the forces about a point must be zero Algebraic sum of vertical components of all the forces must be zero All (A), (B) and (C) Algebraic sum of horizontal components of all the forces must be zero Algebraic sum of the moments of the forces about a point must be zero Algebraic sum of vertical components of all the forces must be zero All (A), (B) and (C) Algebraic sum of horizontal components of all the forces must be zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle is dropped from the top of a tower 60 m high and another is projected upwards from the foot of the tower to meet the first particle at a height of 15.9 m. The velocity of projection of the second particle is 20 m/sec 22 m/sec 16 m/sec 18 m/sec 20 m/sec 22 m/sec 16 m/sec 18 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the resultant of two forces ‘P’ and ‘Q’ acting at an angle ‘θ’ makes an angle ‘α’ with ‘P’, then tan α equals Q sin θ/P + Q sin θ P sin θ/P - Q cos θ Q sin θ/P + Q cos θ P sin θ/P + Q tan θ Q sin θ/P + Q sin θ P sin θ/P - Q cos θ Q sin θ/P + Q cos θ P sin θ/P + Q tan θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball is dropped from a height of 2.25 m on a smooth floor and rises to a height of 1.00 m after the bounce. The coefficient of restitution between the ball and the floor is 0.33 0.44 0.67 0.57 0.33 0.44 0.67 0.57 ANSWER DOWNLOAD EXAMIANS APP
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