Applied Mechanics and Graphic Statics If two forces are in equilibrium, then the forces must(i) Be equal in magnitude(ii) Be opposite in sense(iii) Act along the same line (i) and (ii) (i) and (iii) All (i), (ii) and (iii) Only (i) (i) and (ii) (i) and (iii) All (i), (ii) and (iii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of a homogeneous body is the point at which the whole Area of the surface of the body is assumed to be concentrated Volume of the body is assumed to be concentrated Weight of the body is assumed to be concentrated All listed here Area of the surface of the body is assumed to be concentrated Volume of the body is assumed to be concentrated Weight of the body is assumed to be concentrated All listed here 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 Rubber and lead balls undergo equal changes in momentum Momentum of rubber ball is less than that of lead ball Change in momentum suffered by lead ball is less that of rubber ball None of these Rubber and lead balls undergo equal changes in momentum Momentum of rubber ball is less than that of lead ball Change in momentum suffered by lead ball is less that of rubber ball None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A 2 m long ladder rests against a wall and makes an angle of 30° with the horizontal floor. Where will be the instantaneous center of rotation when the ladder starts slipping ? i. 1.0 in from the wall ii. 1.732 m from the wall iii. 1.0 m above the floor iv. 1.732 m above the floor The correct answer is (ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (iii) (ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Time required to stop a car moving with a velocity 20 m/sec within a distance of 40 m, is 3 sec 5 sec 4 sec 2 sec 3 sec 5 sec 4 sec 2 sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a simple pendulum, time period for a beat, is π √(l/g) π √(2l/g) π √(g/2l) π √(l/2g) π √(l/g) π √(2l/g) π √(g/2l) π √(l/2g) ANSWER DOWNLOAD EXAMIANS APP