Advertisements
Advertisements
प्रश्न
Name the factors affecting the turning effect of a body
Advertisements
उत्तर
The following are the factors which affect the turning effect of a body:
- The magnitude of the force applied
- A distance of line of action of the force from the axis of rotation
APPEARS IN
संबंधित प्रश्न
The S.I. unit of force is kgf. (kilogram-force)
In Fig. a force F is applied in a direction passing through the pivoted point O of the body. Will the body rotate? Give reason to support your answer.
A nut is opened by a wrench of length 10 cm. if the least force required is 5.0 N. find the moment of force needed to turn the nut.
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.
Classify the following amongst contact and non-contact forces.
gravitation force
Give an example for each of the following uses of a machine:
to change the point of application of force
(i) What do you understand by the term couple of forces?
(ii) Calculate the moment of a couple shown in fig.
Define non-contact forces.
A uniform metre scale is balanced at a 40 cm mark when weights of 20 gf and 5 gf are suspended at 5 cm mark and 75 cm mark respectively. Calculate the weight of metre scale.
The perpendicular distance between the point of application of force and turning point is 1.75 m when a force of 80 N acts on a rigid body. Calculate the moment of force.
