ENGINEERING MECHANICS Questions and Answers

(a) Momentum and impulse (b) Torque and energy (c) Torque and work (d) Kinetic energy and potential energy (e) Moment […]

(a) these forces are equal (b) the lines of action of these forces meet in a point (c) the lines

(a) two members with unknown forces of the frame (b) three members with unknown forces of the frame (c) four

(a) if any number of forces acting at a point can be represented by the sides of a polygon taken

(a) maximum when it acts at the center of gravity of a body (b) different at different points in its

(a) one-fourth of the total height above base (b) one-third of the total height above base (c) one-half of the

(a) magnitude (b) direction (c) position or line of action (d) all of the above (e) none of the above.

(a) energy (b) mass (c) momentum (d) angle (e) speed. Ans: c

(a) the point of C.G. (b) the point of metacentre (c) the point of application of the resultant of all

(a) not a replace them by a single force (b) to replace them by a single force (c) to replace

(a) 2 and V6 (b) 3 and 1 kg (c) V5andV5 (d) 2 and 5 (e) none of the above.

(a) one-fourth of the total height above base (b) one-third of the total height above base (c) one-half of the

(a) magnitude (b) direction (c) point of application (d) all of the above (e) none of the above. Ans: d

(a) their total sum is zero (b) two resolved parts in two directions at right angles are equal (c) sum

(a) kg m2 (b) m4 (c) kg/m2 (d) m3 (e) kg/m4. Ans: b