Engineering Mechanics The resultant of the two forces ‘P’ and ‘Q’ is ‘R’. If ‘Q’ is doubled, the new resultant is perpendicular to ‘P’. Then None of the listed here Q = R Q = 2R P = Q None of the listed here Q = R Q = 2R P = Q ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics For a self locking machine, the efficiency must be Less than 50% 1 Equal to 50% Greater than 50% Less than 50% 1 Equal to 50% Greater than 50% ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The angle between two forces when the resultant is maximum and minimum respectively are 90° and 180° 0° and 180° 180° and 0° 90° and 0° 90° and 180° 0° and 180° 180° and 0° 90° and 0° ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A rubber ball is dropped from a height of 2 m. If there is no loss of velocity after rebounding, the ball will rise to a height of 4 m 2 m 1 m 3 m 4 m 2 m 1 m 3 m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In order to double the period of simple pendulum, the length of the string should be Quadrupled Doubled None of these Halved Quadrupled Doubled None of these Halved ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The angular velocity (in rad/s) of a body rotating at N revolutions per minute is 2πN/180 2πN/60 πN/180 πN/60 2πN/180 2πN/60 πN/180 πN/60 ANSWER DOWNLOAD EXAMIANS APP
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