Applied Mechanics and Graphic Statics If two equal forces of magnitude ‘P’ act at an angle ‘θ’, their resultant, will be P cos θ/2 P tan θ/2 2P cos θ/2 2P sin θ/2 P cos θ/2 P tan θ/2 2P cos θ/2 2P sin θ/2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Pick up the correct statement from the following. A rubber ball when strikes a wall rebounds but a lead ball of same mass and velocity when strikes the same wall, falls down None of these Rubber and lead balls undergo equal changes in momentum Change in momentum suffered by lead ball is less that of rubber ball Momentum of rubber ball is less than that of lead ball None of these Rubber and lead balls undergo equal changes in momentum Change in momentum suffered by lead ball is less that of rubber ball Momentum of rubber ball is less than that of lead ball ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The member forces in a statically in determinate truss May be obtained by graphic statics Can be obtained by graphic statics by trial and error Can be obtained by graphic statics Cannot be obtained by graphic statics May be obtained by graphic statics Can be obtained by graphic statics by trial and error Can be obtained by graphic statics Cannot be obtained by graphic statics ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One end of a light string 4 m in length is fixed to a point on a smooth wall and the other end fastened to a point on the surface of a smooth sphere of diameter 2.25 m and of weight 100 kg. The reaction between the sphere and the wall of the arrangement made is 110 kg 108.5 kg 105.5 kg 102.5 kg 110 kg 108.5 kg 105.5 kg 102.5 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The time period of a simple pendulum depends on(i) Mass of suspended particle(ii) Length of the pendulum(iii) Acceleration due to gravity Both (ii) and (iii) Only (i) Both (i) and (iii) All are correct Both (ii) and (iii) Only (i) Both (i) and (iii) All are correct ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces each equal to ‘T’ in magnitude act at right angles, their effect may be neutralized by a third force acting along their bisector in opposite direction whose magnitude will be 2 T 3 T 1/2 T √2 T 2 T 3 T 1/2 T √2 T ANSWER DOWNLOAD EXAMIANS APP