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 mr²/4 mr²/8 mr²/6 mr²/2 mr²/4 mr²/8 mr²/6 mr²/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The static friction Is independent of the area of contact, between the two surfaces Bears a constant ratio to the normal reaction between the two surfaces All of these Always acts in a direction, opposite to that in which the body tends to move Is independent of the area of contact, between the two surfaces Bears a constant ratio to the normal reaction between the two surfaces All of these Always acts in a direction, opposite to that in which the body tends to move ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics One kg force is equal to 8.9 N 12 N 7.8 N 9.8 N 8.9 N 12 N 7.8 N 9.8 N ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The force required to move the body up the plane will be minimum if it makes an angle with the inclined plane __________ the angle of friction. None of these Greater than Equal to Less than None of these Greater than Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction in which the force acts. This statement is known as None of these Newton's third law of motion Newton's second law of motion Newton's first law of motion None of these Newton's third law of motion Newton's second law of motion Newton's first law of motion ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a solid sphere of mass ‘m’ and radius ‘r’ is mr² mr²/2 2mr²/3 2mr²/5 mr² mr²/2 2mr²/3 2mr²/5 ANSWER DOWNLOAD EXAMIANS APP
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