Advertisements
Advertisements
Question
SI. unit of moment of force is
Options
N
N cm
kgfm
Nm
Advertisements
Solution
Nm
APPEARS IN
RELATED QUESTIONS
Name the factors affecting the turning effect of a body
Moment of force = force × perpendicular distance of force – from the pivoted point.
State the effect of force F in of the following diagram.

The steering wheel of a vehicle is of large diameter.
On what factors does the effect of thrust on a surface depend?
Name of S.I. unit of momentum.
A, B and C are the three forces each of magnitude 4 N acting in the plane of the paper as shown in Figure. The point O lies in the same plane.

- Which force has the least moment about O? Give a reason.
- Which force has the greatest moment about O? Give a reason.
- Name the forces producing
(a) Clockwise
(b) anticlockwise moments. - What is the resultant torque about the point O?
A steering wheel of diameter 0.5 m is rotated anticlockwise by applying two forces each of magnitude 6 N. Draw a diagram to show the application of forces and calculate the moment of forces applied.
A wheel of diameter 3 m is shown in fig. 2 with axle at 0. A force F = 8 N is applied at Q in the direction shown in figure. Calculate the moment of force about:
(i) centre o, and
(ii) point p.

Calculate the magnitude of the force of a couple, when the arm of the couple is 63 cm and the moment of the couple is 21 Nm.
