हिंदी
सी.आई.एस.सी.ई.आईसीएसई ICSE Class 8

A potter turns his wheel by applying a force through the stick near the rim of wheel.

Advertisements
Advertisements

प्रश्न

A potter turns his wheel by applying a force through the stick near the rim of wheel.

स्पष्ट कीजिए
Advertisements

उत्तर

A potter's wheel has a wheel pivoted at the centre. The potter turns the wheel by means of a stick at the rim of the wheel. He increases the perpendicular distance.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 3: Force and Pressure - Short/Long Answer Questions [पृष्ठ ५७]

APPEARS IN

सेलिना Concise Physics [English] Class 8 ICSE
अध्याय 3 Force and Pressure
Short/Long Answer Questions | Q 13.5 | पृष्ठ ५७

संबंधित प्रश्न

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


Write an expression for the change in momentum of a body of mass m moving with velocity v if  v << c.


State Newton's Second law of motion. Under what conditon does it take the form F = ma?


State the relationship between force, mass and acceleration. Draw graphs showing the relationship between Acceleration and mass for a constant force.


A wheel of diameter 2 m is shown in the figure with the axle at O. A force F = 2 N is applied at B in the direction shown in the figure. Calculate the moment of force about

  1. the centre O, and
  2. the point A.


Define the moment of force.


The moment of a force of 20 N about a fixed point O is 10 Nm. Calculate the distance of the point O from the line of action of the force.

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.


What is meant by the term ‘moment of force’? If the moment of force is assigned a negative sign then will the turning tendency of the force be clockwise or anti-clockwise?


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.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×