Two forces of 6 Newtons and 8 Newtons which are acting at right angles to each o

CuriousTab

CuriousTab

Home Aptitude

Discussion

Home ‣ Civil Engineering ‣ Applied Mechanics Comments

Question
Two forces of 6 Newtons and 8 Newtons which are acting at right angles to each other, will have a resultant of
Options
A. 5 Newtons
B. 8 Newtons
C. 10 Newtons
D. 12 Newtons.

Correct Answer

10 Newtons

Applied Mechanics problems

Search Results

1. A body is said to move with Simple Harmonic Motion if its acceleration, is
Options
A. always directed away from the centre, the point of reference
B. proportional to the square of the distance from the point of reference
C. proportional to the distance from the point of reference and directed towards it
D. inversely proportion to the distance from the point of reference
E. none of these.

2. If the angle between the applied force and the direction of motion of a body, is between 90� and 180�, the work done, is called
Options
A. virtual work
B. imaginary work
C. zero work
D. negative work.

3. Pick up the incorrect statement from the following. In case of suspension bridge due to rise in temperature,
Options
A. dip of the cable increases
B. length of the cable increases
C. dip of the cable decreases
D. none of the these.

4. The resultant of the forces acting on a body will be zero if the body
Options
A. rotates
B. moves with variable velocity in a straight line
C. moves along a curved path
D. does not move at all.

5. A Second's pendulum gains 2 minutes a day. To make it to keep correct time its length
Options
A. must be decreased
B. must be increased
C. is not changed but weight of the bob is increased
D. is not changed but weight of the bob is decreased
E. none of these.

8. A ball moving with a velocity of 5 m/sec impinges a fixed plane at an angle of 45� and its direction after impact is equally inclined to the line of impact. If the coefficient of restitution is 0.5, the velocity of the ball after impact will be
Options
A. 0.5 m/sec
B. 1.5 m/sec
C. 2.5 m/sec
D. 3.5 m/sec
E. 4.5 m/sec.

10. Pick up the correct statement from the following for the structure shown in below figure.
Options
A. The horizontal reaction at A is 23t ?
B. The horizontal reaction at C is 23t ?
C. The vertical reaction at A is zero
D. The vertical reaction at C is 2 t ?
E. All the above.

Comments

More in Civil Engineering: