LIVE EXAMINATION-31 AUG 2019-ENGG. MECHANICS

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10 questions

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- Q130s
- Q2The moment of a force about a point in its line of action is10-1Infinity30s
- Q3The formula for calculating power is given byForce X accelerationForce X velocityForce X distance in the direction of forceMass X acceleration30s
- Q4Centripetal force is actingaway from the centretowards the centrealong the curvetangential30s
- Q530s
- Q630s
- Q730s
- Q8If the mass of each body is doubled keeping the distance between them same, the gravitational force of attraction between the bodies becomes2 times1/4 times1/2 times4 times30s
- Q9Recoil of a gun is based onNewton's 2nd lawNewton's 3rd lawNewton's 1st lawLaw of gravity30s
- Q10When the radius of a circle is doubled, its polar moment of inertia becomes2 times16 times4 times8 times30s