English

Choose one or more correct alternatives. Joule is the unit of ______. force work power energy

Advertisements
Advertisements

Question

Choose one or more correct alternatives.

Joule is the unit of ______.

  1. force
  2. work
  3. power
  4. energy
Fill in the Blanks
Advertisements

Solution

Joule is the unit of work and energy.

shaalaa.com
  Is there an error in this question or solution?
Chapter 2: Work and Energy - Exercises [Page 28]

APPEARS IN

Balbharati Science and Technology [English] Standard 9 Maharashtra State
Chapter 2 Work and Energy
Exercises | Q 2. b. | Page 28

RELATED QUESTIONS

Work is said to be done by a forte only when ................


State two disadvantages of producing hydroelectricity.


Fill in the blank with suitable word :
Work is measured as a product of __________ and __________


Is it possible that a force is acting on a body but still the work done is zero? Explain giving one example.


How much work is done when a force of 2 N moves a body through a distance of 10 cm in the direction of force?


The work done on an object does not depend on the :


Name the force acting away from the centre of circular path.


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

Define 'joule'.


A moving object of mass 30 kg has 60 J of kinetic energy. What is its speed?

The K.E. of a body is 5 J. What will be its K.E. when its speed is doubled?

Give an example of a body possessing no K.E.

What is the amount of energy spent by the heart in pumping blood through the body?

What is the difference between K.E. and P.E.?

Does the total energy of a body always remain constant?

Name the unit of energy.

State the energy changes which take place when Water stored in the dam is used to turn turbine in dynamo.


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?


The weights of two bodies are 2.0 N and 2.0 kgf respectively what is the mass of each body?


Look at the activity below. Reason out whether or not work is done in the light of your understanding of the term ‘work’.

A donkey is carrying a load on its back.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×