English

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

Advertisements
Advertisements

Question

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

One Word/Term Answer

Solution

Power

shaalaa.com
  Is there an error in this question or solution?
Chapter 1: Force, Work, Energy and Power - Exercise 1.4 iii [Page 39]

APPEARS IN

Frank Physics - Part 2 [English] Class 10 ICSE
Chapter 1 Force, Work, Energy and Power
Exercise 1.4 iii | Q 8 | Page 39

RELATED QUESTIONS

It takes 20 s for a person A of mass 50 kg to climb up the stairs, while another person B does the same in 15 s. Compare the Work done.


A car is running at a speed of 15 km h-1 while another similar car is moving at a speed of 45 km h-1. Find the ratio of their kinetic energies.


When is the work done by a force on a body : (a) positive, (b) negative, and (c) zero?


A girl is carrying a school bag of 3 kg mass on her back and moves 200 m on a levelled road. If the value of g be 10 m/s2, the work done by the girl against the gravitational force will be :


Is power a scalar quantity?


A boy of mass m climbs up a staircase of vertical height h.

  1. What is the work done by the boy against the force of gravity?
  2. What would have been the work done if he uses a lift in climbing the same vertical height?

Can work done be zero even if force acts on the body?


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

Give two examples of P.E.

What is the P.E. of a body lying on the surface of the earth?

Write the S.I. units of power.

If an electric bulb of 100 watt is lighted for 2 hours, how much electric energy would be consumed?


Fill in the boxe to show the corresponding energy transformation.


A canon ball of mass 500g is fired with a speed of 15m/s-1. Find: its momentum.


An electric motor of power 100 W is used to drive the stirrer in a water bath. If 50% of the energy supplied to the motor is spent in stirring the water. Calculate the work done on the water in one minute.


If a ball is dropped on the sloping roof of a house, it acquires ______ and falls on the ground. That is the transformation of ______ energy into ______ energy takes place.
(kinetic, potential, motion)


________ is said to be done when a force is acting on it.


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

A green plant is carrying out photosynthesis.


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

Food grains are getting dried in the sun.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×