Advertisements
Advertisements
प्रश्न
Why does a spanner have a long handle?
Why does a spanner (or wrench) have a long handle?
Advertisements
उत्तर
A long handle facilitates increased torque with a small application of force; hence, a spanner has a long handle.
संबंधित प्रश्न
Can there be displacement of an object in the absence of any force acting on it? Think. Discuss this question with your friends and teacher.
A body of mass 5 kg falls from a height of 10 m to 4 m. Calculate:
The loss in potential energy of the body,
What is the work done when the object acted upon by a force remains at rest?
Give an example
Light energy changes to electrical energy.
How much energy is gained by a box of mass 20 kg when a man, runs carrying the box with a speed of 3 m/s-1 to catch the bus?
State the amount of work done by an object when it moves in a circular path for one complete rotation. Give a reason to justify your answer.
What do you understand by the term energy? Is energy a scalar or vector? How is the energy possessed by a body measured?
Work done by this force at any instant is ______.
