Applied Mechanics and Graphic Statics A particle is dropped from a height of 3 m on a horizontal floor, which has a coefficient of restitution with the ball of 1/2. The height to which the ball will rebound after striking the floor is 1.0 m 1.5 m 0.5 m 0.75 m 1.0 m 1.5 m 0.5 m 0.75 m ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics To double the period of oscillation of a simple pendulum Its length should be doubled The mass of its bob should be quadrupled The mass of its bob should be doubled Its length should be quadrupled Its length should be doubled The mass of its bob should be quadrupled The mass of its bob should be doubled Its length should be quadrupled ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A Second's pendulum gains 2 minutes a day. To make it to keep correct time its length Is not changed but weight of the bob is decreased Must be increased Is not changed but weight of the bob is increased Must be decreased Is not changed but weight of the bob is decreased Must be increased Is not changed but weight of the bob is increased Must be decreased ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A force P of 50 N and another force Q of unknown magnitude act at 90° to each other. They are balanced by a force of 130 N. The magnitude of Q is 80 N 60 N 120 N 100 N 80 N 60 N 120 N 100 N ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The dimensions of centrifugal force are M’L’T1 M1 L2 T2 M’L’T2 M’L-‘T2 M’L’T1 M1 L2 T2 M’L’T2 M’L-‘T2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a self-locking machine, the efficiency should be 0.5 More than 50% None of these Less than 60% 0.5 More than 50% None of these Less than 60% ANSWER DOWNLOAD EXAMIANS APP
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