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प्रश्न
Thrust is the ............ force acting on a surface.
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उत्तर
normal.
Thrust is the normal force acting on a surface.
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संबंधित प्रश्न
The S.I. unit of force is kgf. (kilogram-force)
A force always produces both the linear and turning motions.
State the S.I. unit of moment of force.
State Newton's first law of motion. Why is it called the law of inertia?
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.
- Which force has the least moment about O? Give a reason.
- Which force has the greatest moment about O? Give a reason.
- Name the forces producing
(a) Clockwise
(b) anticlockwise moments. - What is the resultant torque about the point O?
The moment of a force about axis depends ______.
Define the moment of 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.
A meter scale is provided at 10 cm mark and is balanced by suspending 400 g from 0 cm mark (fig.). Calculate the mass of meter scale.
How does the distance of separation between two bodies affect the magnitude of the non-contact force between them?
