Engineering Mechanics If the number of pulleys in a system is equal to its velocity ratio, then it is a __________ system of pulleys. First Third Second None of these First Third Second None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is 60° 90° 30° 120° 60° 90° 30° 120° ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If the body falls freely under gravity, then the gravitational acceleration is taken as -8.9 m/s2 -9.8 m/s2 +9.8 m/s2 +8.9 m/s2 -8.9 m/s2 -9.8 m/s2 +9.8 m/s2 +8.9 m/s2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a thin disc of mass ‘m’ and radius ‘r’, about an axis through its center of gravity and perpendicular to the plane of the disc is mr²/2 mr²/6 mr²/8 mr²/4 mr²/2 mr²/6 mr²/8 mr²/4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The forces which do not meet at one point and their lines of action do not lie on the same plane are known as Coplanar concurrent forces None of these Coplanar non-concurrent forces Non-coplanar concurrent forces Coplanar concurrent forces None of these Coplanar non-concurrent forces Non-coplanar concurrent forces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A body of mass ‘m’ moving with a constant velocity ‘v’ strikes another body of same mass moving with same velocity but in opposite direction. The common velocity of both the bodies after collision is 8v 4v 2v v 8v 4v 2v v ANSWER DOWNLOAD EXAMIANS APP
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