मराठी

Name the Physical Quantity Whose Mks Units Are Kgm2s-3. - Physics

Advertisements
Advertisements

प्रश्न

Name the physical quantity whose MKS units are kgm2s-3.

एक शब्द/वाक्यांश उत्तर

उत्तर

Power

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Force, Work, Energy and Power - Exercise 1.4 iii [पृष्ठ ३९]

APPEARS IN

फ्रँक Physics - Part 2 [English] Class 10 ICSE
पाठ 1 Force, Work, Energy and Power
Exercise 1.4 iii | Q 8 | पृष्ठ ३९

संबंधित प्रश्‍न

Work done = Force × ........................................


State two conditions when no work is done by a force.


In which of the following cases is work being done:

  1. A boy pushing a heavy rock
  2. A boy climbing up the stairs
  3. A coolie standing with a box on his head
  4. A girl moving on the road.

Give reasons for the following A teacher moving around in the class is doing work but a child standing and reading a book is not doing any work.


1 J = ______ calorie.


A box of weight 150 kgf has gravitational potential energy stored in it equal to 14700 J. Find the height of the box above the ground. (Take g = 9.8 N kg-1)


Explain by an example that a body may possess energy even when it is not in motion.


How much work is done by the gravitational force of earth acting on a satellite moving around it in a circular path? Give reason for your answer.


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.


What is the relationship between Nm and dyne cm?


Does the earth move around the sun with a uniform velocity?


What is the work done by the gravitational force of the earth on a satellite revolving around the earth?

What is the work done on the earth by the gravitational force of the sun during its motion around the sun?

A weight lifted a load of 200 kgf to a height of 2.5 m in 5 s. calculate: (i) the work done, and (ii) the power developed by him. Take g= 10 N kg-1.


Give two examples of kinetic energy.

Give two examples of P.E.

An electric motor drives a machine which lifts a mass of 4 kg through a height of 10 m in 5 s at a constant speed. Assuming g = 10 ms-2, calculate

(i) the amount of work done,    (ii) the power of the machine.


In what form is energy stored in a wrist watch?

Name two places in India where electricity is generated from nuclear power plants.


A is a push or a pull ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×