Text Solution
Verified by Experts
Topper's Solved these Questions
Similar Questions
Explore conceptually related problems
Knowledge Check
A
B
C
D
A
B
C
D
A
B
C
D
PRADEEP-WORK AND ENERGY-NCERT Questions
- A force of 7N acts on an object. The displacement is, say 8m, in the d...
Text Solution
|
- When do we say that work is done ?
Text Solution
|
- Write an expression for the work done when a force is acting on an obj...
Text Solution
|
- Define 1 J of work.
Text Solution
|
- A pair of bullocks exerts of work done on an onject when a force of 1 ...
Text Solution
|
- What is the kinetic energy of an object ?
Text Solution
|
- Write an expression for kinetic energy of an object.
Text Solution
|
- The kinetic energy of an object of mass m moving with a velocity of 5 ...
Text Solution
|
- What is power ?
Text Solution
|
- Define 1 W of power.
Text Solution
|
- A lamp consumes 1000 J of electrical energy is 10 s. What is its power...
Text Solution
|
- Define avarage power.
Text Solution
|
- Look at the activites listed below. Reason out whether or not work is ...
Text Solution
|
- An object thrown at a certain angle to the ground moves in a curved pa...
Text Solution
|
- A battery lights a bulb. Describe the energy changes involved in the p...
Text Solution
|
- Certain force acting on a 20 kg mass changes its velocity from 5m//s t...
Text Solution
|
- A mass of 10 kg is at a point A on a table. It is moved to a point B. ...
Text Solution
|
- The potential energy of a freely falling object decreases progressivel...
Text Solution
|
- What are the verious energy transformations that occur when you are ri...
Text Solution
|
- Does the transfer of energy take palce when you push a huge rock with ...
Text Solution
|
