Mechanical science Questions

Distinguish between absolute pressure and gauge pressure

define the following terms i. work ii. energy iii. power

state the principle of conservation of energy

Distinguish between principle of moments and moment of a couple as applied to co-planar forces

Differentiate between a flywheel and a speed governor

define the following terms as applied  to circular motion i. angular velocity ii. centripetal force iii. centrifugal force

describe the following characteristics of governors i sensitivity, ii. stability, ii. isochronous

State Newton’s second law of motion

State the principle of moments

Define each of the following terms in friction i. limiting friction force, ii. angle of repose