मराठी

State whether the object possess kinetic energy, potential energy, or both :A ceiling fan in the off position ______________

Advertisements
Advertisements

प्रश्न

State whether the object possess kinetic energy, potential energy, or both :
A ceiling fan in the off position ______________

पर्याय

  • kinetic energy

  • potential energy

  • Both

MCQ
Advertisements

उत्तर

When switched off, a ceiling fan possesses only potential energy.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Work and energy - Very Short Answers 1 [पृष्ठ १४५]

APPEARS IN

लखमीर सिंह Physics Part 1 [English] Class 9
पाठ 4 Work and energy
Very Short Answers 1 | Q 15.4 | पृष्ठ १४५

संबंधित प्रश्‍न

A body falls freely under gravity from rest. Name the kind of energy it will possess while falling.


A stone of mass 500 g is thrown vertically upwards with a velocity of 15 m/s. Calculate:

  1. the potential energy at the greatest height,
  2. the kinetic energy on reaching the ground, and
  3. the total energy at its half-way point.

An iron sphere of mass 10 kg has the same diameter as an aluminium sphere of mass 3.5 kg. Both the spheres are dropped simultaneously from a tower. When they are 10 m above the ground, they have the same :


Name the device which converts electrical energy into mechanical energy.


Name the device or machine which convert :
Chemical energy into heat energy.


Fill in the blank with suitable word:
The electricity meter installed in our homes measure electrical energy in the units of ___________.


Fill in the blanks with suitable words :
The principle of ___________ of energy says energy can be transformed from one form to another, but it cannot be ___________ or ___________.


Describe the energy changes which take place in a radio.


Write the energy transformations which take place in an electric bulb (or electric lamp).


An automobile engine propels a 1000 kg car (A) along a levelled road at a speed of 36 km h–1. Find the power if the opposing frictional force is 100 N. Now, suppose after travelling a distance of 200 m, this car collides with another stationary car (B) of the same mass and comes to rest. Let its engine also stop at the same time. Now the car (B) starts moving on the same level road without getting its engine started. Find the speed of the car (B) just after the collision.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×