हिंदी

State one way to obtain greater moment of a given force about a given axis of rotation.

Advertisements
Advertisements

प्रश्न

State one way to obtain greater moment of a given force about a given axis of rotation.

संक्षेप में उत्तर
Advertisements

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.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: Force - EXERCISE - 1 (A) [पृष्ठ १०]

APPEARS IN

सेलिना Concise Physics Part 2 [English] Class 10 ICSE
अध्याय 1 Force
EXERCISE - 1 (A) | Q 9. | पृष्ठ १०
सेलिना Concise Physics [English] Class 8 ICSE
अध्याय 3 Force and Pressure
Short/Long Answer Questions | Q 11 | पृष्ठ ५७

संबंधित प्रश्न

A force is applied on (i) a non-rigid body and (ii) a rigid body. How does the effect of the force differ in the above two cases?


To obtain a given moment of force for turning a body, the force needed can be decreased by


State the effect of force F in of the following diagram.


It is easier to open the door by pushing it at its free end.


On what factors does the effect of thrust on a surface depend?


What are contact forces? Give two Example


State Newton's third law of motion.


A car of mass 600 kg is moving with a speed of 10 ms-1 while a scooter of mass 80 kg us moving with a speed of 50 ms-1. Compare their 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.

  1. Which force has the least moment about O? Give a reason.
  2. Which force has the greatest moment about O? Give a reason.
  3. Name the forces producing
    (a) Clockwise
    (b) anticlockwise moments.
  4. What is the resultant torque about the point O?

One joule is the amount of work done when a force of ......... moves a body through a distance of .......


Three forces A, B and C are acting on a rigid body which can turn about O in fig.9. If all the three forces are applied simultaneously, in which direction will the body move? Explain.


Write the expression for the moment of force about a given axis.


The diagram shows a uniform metre rule weighing 100gf, pivoted at its centre O. Two weights 150gf and 250gf hang from the point A and B respectively of the metre rule such that OA = 40 cm and OB = 20 cm. Calculate :

the difference of anticlockwise and clockwise moment


State when the moment of force is positive and when it is negative.


A uniform metre rule rests horizontally on a knife-edge at the 60 cm mark when a mass of 10 gram is suspended from one end. At which end must this mass be suspended? What is the mass of the rule?


A couple of 15 N force acts on a rigid body, such that arm of couple is 85 cm. Calculate moment of couple in the SI system.


A door lock is opened by turning the lever (handle) of length 0.2 m. If the moment of force produced is 1 Nm, then the minimum force required is ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×