Advertisements
Advertisements
Question
Explain the difference between a uniform linear motion and a uniform circular motion.
Advertisements
Solution
APPEARS IN
RELATED QUESTIONS
Name a common device where a gear train is used
Power spent by a body depends on the time for which it does work.
A body, when acted upon by a force of 10 kgf, moves to a distance 0.5 m in the direction of force. Find the work done by the force. Take 1 kgf = 10 N.
Determine the amount of work done when an object is displaced at an angle of 30° with respect to the direction of the applied force.
Does the earth move around the sun with a uniform velocity?
What is the work done when the object acted upon by a force remains at rest?
Complete the following sentences:
The SI unit of work is ....... and of power is .......
Can work done be zero even if force acts on the body?
A block of mass 20 kg is pulled up a slope (fig.12) with a constant speed by applying a force of 500 N parallel to the slope. A and B are initial and final positions of the block.
(a) Calculate the work done by the force in moving the block from A and B.
(b) Calculate the potential energy gained by the block.
A block of mass 30 kg is pulled up a slope, as shown in diagram with a constant speed, by applying a force of 200 N parallel to slope.
A and B are initial and final positions of block.
(i) Calculate the work done by force in moving the block from A to B.
(ii) Calculate P.E. gained by block. [g=10ms-2]
