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प्रश्न
State one way to obtain greater moment of a given force about a given axis of rotation.
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उत्तर
In order to generate the maximum torque to turn the body, the force is applied at a position on the body where the line of action's perpendicular distance from the axis of rotation is maximum.
संबंधित प्रश्न
What is the SI unit of the moment of force?
The S.I. unit of force is kgf. (kilogram-force)
State one way to decrease the moment of a given force about a given axis of rotation.
What do you mean by the clockwise and anti-clockwise moment of force?
The spanner (or wrench) has a long handle.
Write the expression for calculating the moment of force about a given an axis.
A body is acted upon by two forces of magnitude F but in opposite directions. State the effect of the force if both forces act at the same point of the body.
The moment of a force of 10 N about a fixed point O is 5 N m. Calculate the distance of the point O from the line of action of the force.
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.
The diagram shows two forces F1 = 5 N and F2 = 3N acting at point A and B of a rod pivoted at a point O, such that OA = 2m and OB = 4m
Calculate:
- Moment of force F1 about O
- Moment of force F2 about O
- Total moment of the two forces about O.
One joule is the amount of work done when a force of ......... moves a body through a distance of .......
What is the work done when no net force is applied on the body?
Fig. shows a uniform meter scale weighing 100 N pivoted at its centre. Two weights of 500 N and 300 N are hung from the ruler as shown in fig.
(i) Calculate total clockwise and anticlockwise moments.
(ii) Calculate difference in clockwise moment and anticlockwise moment.
(iii) Calculate the distance from O where a 100 N weight should be suspended to balance the meter scale.
State one factor on which the magnitude of a non-contact force depends. How does the magnitude of a non-contact force change along with distance?
How does the distance of separation between two bodies affect the magnitude of the non-contact force between them?
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.
Calculate the minimum distance between point of application of force and axis of rotation of a rigid body, if a force 125 N produces a moment of force of 25.75 Nm.
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.
A nut is opened by a wrench of length 25 cm. If the least force required is 10 N, find the moment of force needed to turn the nut.
