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

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

Advertisements
Advertisements

प्रश्न

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

संक्षेप में उत्तर
Advertisements

उत्तर

The effect of thrust depends on the area of the surface on which it acts. Smaller the area of the surface on which a thrust acts, larger is its effect. But the effect of a thrust is less on a larger area.

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

APPEARS IN

एस.एस. शोम Concise Physics [English] Class 8 ICSE
अध्याय 3 Force and Pressure
Short/Long Answer Questions | Q 16 | पृष्ठ ५७

संबंधित प्रश्न

How does the magnitude of this non-contact force on the two bodies depend on the distance of separation between them?


What is the SI unit of the moment of force?


Less force is needed when applied at a farther distance from the pivoted point.


What do you mean by the clockwise and anti-clockwise moment of force?


Name of S.I. unit of momentum.


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.


Fig. 5 shows a uniform meter scale weighing 200 gf. Provided at its centre. Two weights 300 gf and 500 gf are suspended from the ruler as shown in the diagram. Calculate the resultant torque of the ruler and hence calculate the distance from mid-point where a 100 gf should be suspended to balance the meter scale.


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.


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.


On a see-saw, two children of masses 30 kg and 50 kg are sitting on one side of it at distance 2 m and 2.5 m respectively, from its middle, where should a man of mass 74 kg sit to balance it?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×