Advertisements
Advertisements
प्रश्न
State the factors on which moment of force about a point depends.
Advertisements
उत्तर
The factors on which the moment of force about a point depends are:
1. The magnitude of force applied.
2. The distance of the line of action of the force from the axis of rotation.
APPEARS IN
संबंधित प्रश्न
A body is moved in a direction opposite to the direction of force acting on it. State whether the work is done by the force or work is done against the force
A satellite revolves around the earth in a circular orbit. What is the work done by the force of gravity? Give reason.
Name the quality which is measured in kW.
A body of mass m is moving with a uniform velocity u. A force is applied on the body due to which its velocity changes from u to v. How much work is being done by the force?
What is the work done when the force on the object and the displacement of the object are perpendicular to each other?
In the following case write yes, if the work is being done and no if no work is being done.
A man moving on the rough ground.
State the condition when the work done by the force is positive
Calculate the work done when:
A car is moved on a rough road through 30 m against a frictional resistance of 75 N.
A man weighing 700 N runs up a flight of 15 steps, each 20 cm high, in 5 seconds. Calculate the power of the man.
