Advertisements
Advertisements
प्रश्न
A spanner (or wrench) has a long handle. Why?
Advertisements
उत्तर
The long handle of the spanner creates a greater turning moment. The handles' ends are used with less force.
APPEARS IN
संबंधित प्रश्न
Where can a body execute free vibrations?
A force always produces both the linear and turning motions.
The steering wheel of a vehicle is of large diameter.
What are contact forces? Give two Example
State one factor on which the magnitude of a non-contact force depends. How does it depend on the factor stated by you?.
State Newton's first law of motion. Why is it called the law of inertia?
The stone of hand flour grinder is provided with a handle near its rim. Give reason.
The moment of a force about axis depends ______.
Calculate the magnitude of the force of a couple, when the arm of the couple is 63 cm and the moment of the couple is 21 Nm.
The diagram in Fig shows two forces F1 = 5 N and F2 = 3 N acting at points A and B respectively of a rod pivoted at a point O, such that OA = 2 m and OB = 4 m.
Calculate:
- the moment of force F1 about O.
- the moment of force F2 about O.
- total moment of the two forces about O.
