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प्रश्न
A spanner (or wrench) has a long handle. Why?
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उत्तर
The long handle of the spanner creates a greater turning moment. The handles' ends are used with less force.
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संबंधित प्रश्न
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 |
State the effect of force F in of the following diagram.
A spanner of length 10 cm is used to open a nut by applying a minimum force of 5.0 N. Calculate the moment of force required.
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What are non-contact forces? Give two example
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normal reaction force,
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the total clockwise moment about O
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.
