Applied Mechanics and Graphic Statics Pick up the incorrect statement from the following. In a simple harmonic motion Acceleration is zero at the mean position Velocity is maximum at its mean position Velocity is minimum at the end of the stroke Acceleration is minimum at the end of the stroke Acceleration is zero at the mean position Velocity is maximum at its mean position Velocity is minimum at the end of the stroke Acceleration is minimum at the end of the stroke ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The necessary condition of equilibrium of a body is: Algebraic sum of vertical components of all the forces must be zero 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 All (A), (B) and (C) Algebraic sum of vertical components of all the forces must be zero 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 All (A), (B) and (C) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball moving with a velocity of 5 m/sec impinges a fixed plane at an angle of 45° and its direction after impact is equally inclined to the line of impact. If the coefficient of restitution is 0.5, the velocity of the ball after impact will be 0.5 m/sec 1.5 m/sec 3.5 m/sec 2.5 m/sec 0.5 m/sec 1.5 m/sec 3.5 m/sec 2.5 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If g1 and g2 are the gravitational accelerations on two mountains A and B respectively, the weight of a body when transported from A to B will be multiplied by g2 g1 g1/g2 g2/g1 g2 g1 g1/g2 g2/g1 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The resolved part of the resultant of two forces inclined at an angle θ in a given direction is Algebraic sum of the resolved parts of the forces in the direction Sum of the forces multiplied by the tangent θ° Arithmetical sum of the resolved parts of the forces in the direction Difference of the forces multiplied by cosine θ° Algebraic sum of the resolved parts of the forces in the direction Sum of the forces multiplied by the tangent θ° Arithmetical sum of the resolved parts of the forces in the direction Difference of the forces multiplied by cosine θ° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The resultant of two forces acting at right angles is √34 kg and acting at 60° is 70 kg. The forces are 2 kg and 3 kg √3 kg and √5 kg 3 kg and 5 kg 1 kg and 4 kg 2 kg and 3 kg √3 kg and √5 kg 3 kg and 5 kg 1 kg and 4 kg ANSWER DOWNLOAD EXAMIANS APP