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प्रश्न
What is thrust?
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उत्तर
Thrust is a force or a push. When a system pushes or accelerates mass in one direction, there is a thrust (force) just as large in the opposite direction.
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संबंधित प्रश्न
The S.I. unit of force is kgf. (kilogram-force)
Match the column
| Column A | Column B |
| (a) Camel | (1) broad and deep foundation |
| (b) Truck | (2) broad feet |
| (c) Knife | (3) six or eight tyres |
| (d) High building | (4) sharp cutting edge |
| (e) Thrust | (5) atm |
| (f) Moment of force | (6) N |
| (g) Atmospheric pressure | (7) N m |
Define force.
State two factor on which moment of force about a point depends.
Explain the motion of a planet around the sun in a circular path.
Classify the following amongst contact and non-contact forces.
electrostatic force
State the effects that a force can produce. Given one example of each.
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.
Clockwise moment produced by a force about a fulcrum is considered to be ______.
