a body of mass of 0.5kg tied to string is whirled in vertical circle making 2revolution/second. if the radius of circle is 1.2metre then. what is the tension in the string when the body is at the top of the circle.​

What precautions should you take to prevent injuries when dealing with heavy loads?

Shafts are machine elements that are used to a) carry axial loads b) direct shear loads c) transmit power d) rotate at constant speed e) none of the above circular and square shafts subjected to the same torque under the same circum behave a) the same way b) almost the same way

Which from the following instrument is commonly used to detect the high pitch butzing sound in bearings? [clo4] a)-digital ultrasonic meter b)-infrared camera c)-spectroscopic d)-vibrometer