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प्रश्न
Give two examples of a couple's actions in our daily life.
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उत्तर
For example, turning a key in a lock and turning a steering wheel.
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संबंधित प्रश्न
A force always produces both the linear and turning motions.
The spanner (or wrench) has a long handle.
State Newton's Second law of motion. Under what conditon does it take the form F = ma?
What do you understand by the clockwise and anticlockwise moment of force? When is it taken positive?
It is easier to turn the steering wheel of a large diameter than that of a small diameter. Given reason.
A spanner (or wrench) has a long handle. Why?
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 ______.
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.
A door lock is opened by turning the lever (handle) of length 0.2 m. If the moment of force produced is 1 Nm, then the minimum force required is ______.
