Work Energy and Power One Shot Physics | Class 11 Physics NCERT Full Explanation with Ashu Sir

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Thanks ❤️

[AsliTejas]

~Time Stamps~
1:56 - Work
3:56 - Work done by Constant Force
8:40 - When force and displacement are inclined to each other
15:25 - Nature of work done
23:09 - Dimensions and units of work
25:23 - Work done by a variable force
39:06 - Energy
41:13 - Mechanical Energy
41:48 - Kinetic Energy
43:51 - Derive the expression for K.E.
52:27 - Calculate relation between K.E. and linear momentum
55:00 - Work energy theorem for a constant force
1:06:55 - Potential Energy
1:09:02 - Conservative and Non-conservative forces
1:14:10 - Types of P.E.
1:16:00 - Gravitational Potential Energy
1:23:32 - P.E. in a spring
1:39:43 - Principle of Conservation of Energy
1:54:50 - Conservation of M.E. in free fall
2:08:07 - Types of Collision
2:16:51 - Coefficient of Restitution
2:25:07 - Show that when two identical bodies collide, head on with elastic
collision, velocities get exchanged
2:35:41 - Power
2:37:51 - Relation between power and velocity

[rajj]

Time Stamps~
1:56 - Work
3:56 - Work done by Constant Force
8:40 - When force and displacement are inclined to each other
15:25 - Nature of work done
23:09 - Dimensions and units of work
25:23 - Work done by a variable force
39:06 - Energy
41:13 - Mechanical Energy
41:48 - Kinetic Energy
43:51 - Derive the expression for K.E.
52:27 - Calculate relation between K.E. and linear momentum
55:00 - Work energy theorem for a constant force
1:06:55 - Potential Energy
1:09:02 - Conservative and Non-conservative forces
1:14:10 - Types of P.E.
1:16:00 - Gravitational Potential Energy
1:23:32 - P.E. in a spring
1:39:43 - Principle of Conservation of Energy
1:54:50 - Conservation of M.E. in free fall
2:08:07 - Types of Collision
2:16:51 - Coefficient of Restitution
2:25:07 - Show that when two identical bodies collide, head on with elastic
collision, velocities get exchanged
2:35:41 - Power
2:37:51 - Relation between power and velocity

thankyou😊😊😊😊

[gauravjha]

4:50 - variable force
22:00 - 0 work done by gravitation
1:20:20 - same hogi
1:21:21 - dono same hogi
1:32:00 - cycle wale spring ki SK jyada hogi
1:53:20 - extreme position pe aage ki taraf ball badh jayegi projectile motion me aur agar mean me giri to sidhe neeche giregi

[mcdlvvc]

Ha Bhai Kon se jiske exam he March me 😂

[gaurika]

28:43 YE BHOT CHOTA HAI YE USKI SOCH SE BHI BHOT CHOTA HAI 😂😂😂😂😂 OP SIR

[kunalgodara]

1:53:19 extreme position fall vertically downward at mean position parabolic path

[Sayeed]

00:02 Work energy and power is a chapter full of derivations
02:00 Work is when a force acts on an object and causes it to move from its place.
06:00 Work done is force multiplied by displacement
08:04 Work is a scalar quantity with direction.
12:52 Two ways to multiply two vectors: cross product and dot product
15:10 Work done is positive if the angle is less than 90 degrees.
19:11 Work done is zero when force and displacement are perpendicular.
21:30 Explanation of work done by gravitational force
25:16 Kilowatt is the unit of power.
27:16 Force and displacement relationship for work done
31:41 Integrating force over displacement gives work done
34:21 Applying work-energy principle to a variable force.
38:52 Introduction to energy and its types
40:45 Work energy is a scalar quantity with dimensions ml2t-2.
44:37 Work done is force into displacement
46:44 Work done is converted to kinetic energy.
51:38 Relation of kinetic energy to momentum and their proportional relationship
53:25 Understanding momentum and kinetic energy
57:44 Derivation of Work Energy Theorem for Constant Force
59:59 Work Energy Theorem and Variable Force
1:04:58 Integration helps calculate work and energy.
1:07:45 When the shape and state of an object is changed, potential energy is created.
1:11:42 Frictional force is a non-conservative force.
1:13:45 Types of potential energy include gravitational, elastic, and electrostatic.
1:18:03 Derivation of potential energy formula and its limitations
1:20:17 Potential energy is independent of path.
1:24:34 Understanding Potential Energy in a Spring
1:26:29 Force by spring is proportional to displacement
1:30:45 Higher force required for greater displacement with higher spring constant
1:32:44 Spring constant determines the behavior of springs.
1:36:59 Introduction to calculating spring constant and potential energy storage
1:38:44 Understanding the concept of elastic limit and principle of conservation of energy
1:43:01 Advancements in technology have led to energy efficient lighting solutions.
1:45:00 A simple pendulum and its oscillation explained mathematically
1:49:05 The transition between extreme and mean positions impacts kinetic and potential energy.
1:51:03 Understanding kinetic and potential energy graphs.
1:54:54 Derivation of total energy conservation
1:56:52 Energy conservation in points A, B, C
2:01:21 Discussion on kinetic and potential energy at different points.
2:03:40 Calculating kinetic energy at point C.
2:08:15 Types of collisions - elastic & inelastic
2:10:39 Collision results in loss of energy and conversion of kinetic energy.
2:14:53 Comparison between kinetic and elastic collisions
2:16:44 Elastic collision involves conservation of momentum and kinetic energy.
2:21:56 Explaining the concept of velocity ratios and Kofirex
2:24:28 Understanding elastic collisions and the concept of restitution.
2:29:01 Work done by force results in change in velocity or displacement
2:30:50 In elastic collisions, total momentum and kinetic energy before will be equal to total momentum and kinetic energy after.
2:35:10 Power is not a new concept.
2:37:02 Power is the rate of doing work.
00:00 Work, energy, and power are interconnected concepts in physics

[AnujYadav-kres]

Thanks sir for all your efforts to teaches us🙏🙏

[jalajbansal]

4:45 In our daily life we apply variable force not constant force because our body is continuously loosing energy and we are not able to apply constant force

[mamtatripathi]

1:04:00 Sir we can also do this with calculus method where we can integrateall and in lhs side, we can do it from W1 to W2 ...and then it comes to be delta w which represents variable work done..

[KHUSHALSINHA]

1:53:19 ans hai ki 1 case mein ke 0 hogi v 0 hogi so gravity ke sath vo niche gir jayega but 2 case mein ke Max hoga v Max hoga to vo straight line motion mein aa jayegi

[GharkaKhana]

Thankyou so much sir for such an amazing and interesting one shot🎉❤

[gumansingh]

This one shot is very helpful for me ❤ thank you so much sir 😊 bhagwan hamehsa aapki rakha kare🙏 aapko hamehsa khush rakhe

[himanshumaddheshiya]

Tell me truth that how many of you come to see this video before one day of your exam 😁😁

[Satyaedupoint]

Thanks for this kind of amazing video dekhne badd mujhe lga that yes j can understand drrr tha pehle sir bcz sir esse nhi padhaya jata so thank you so much ❤😊

[XGMR]

34:35 was so epic and I am laughing continuously 😂😂😂😂

[ufcsvfc]

Actually!
coefficient of restitution : relative velocities of bodies after the collision / relative velocities of bodies before the collision.
Mathematically, e = V² - V¹ / U² - U¹

[aarushithisside]

4:45 variable force
22:06 zero
1:21:27 same
1:32:05 the value of spring constant of silver spring is more

[THEDIFFERENTONE]

hello sir, i cannot find better explanation on any topic anywhere else on the internet. but your teaching is soo passionate, i have developed interest in learning since i have started watching your one shot videos. keep it up sir. i am a NEET 2025 aspirant and find your content very impressive. sir, i really need the explanation on collision in 2d(plane). thank you sir.

[Krishna-suvc]

1:53:17
At extreme: free fall
At mean: the path of the bob will parabolic