Advertisements
Advertisements
प्रश्न
Explain the difference between a uniform linear motion and a uniform circular motion.
टीपा लिहा
Advertisements
उत्तर
In uniform linear motion, the velocity is constant and acceleration is zero i.e., the uniform linear motion is an un-accelerated motion, while in a uniform circular motion the velocity is variable (although speed is uniform), so it is an accelerated motion.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Define work.
Define the term energy.
When is the work done by a force on a body : (a) positive, (b) negative, and (c) zero?
A machine raises a load of 750 N through a height of 16 m in 5s. calculate:
(i) work done by machine,
(ii) power at which the machine works.
Define potential energy.
Write the S.I. units of power.
Name the physical quantity whose SI unit is Nm.
What is meant by the principle of moments?
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.

Give an example
Chemical energy changes to heat energy.
