Which of the following graphs is correct between kinetic energy (E), potential energy (U) and height (h) from the ground of the particle

(1)

(2)

(3)

(4)

Subtopic:  Gravitational Potential Energy |
 53%
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The force acting on a body moving along x-axis varies with the position of the particle as shown in the fig.

The body is in stable equilibrium at

(1) x = x1

(2) x = x2

(3) both x1 and x2

(4) neither x1 nor x2

Subtopic:  Potential Energy: Relation with Force |
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The potential energy of a particle varies with distance x as shown in the graph. The force acting on the particle is zero at

(1) C

(2) B

(3) B and C

(4) A and D

Subtopic:  Potential Energy: Relation with Force |
 80%
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Figure shows the F-x graph. Where F is the force applied and x is the distance covered by the body along a straight line path. Given that F is in newton and x in metre, what is the work done ?

(1) 10 J

(2) 20 J

(3) 30 J

(4) 40 J

Subtopic:  Work Done by Variable Force |
 84%
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The force required to stretch a spring varies with the distance as shown in the figure. If the experiment is performed with the above spring of half length, the line OA will

(1) Shift towards F-axis

(2) Shift towards X-axis

(3) Remain as it is

(4) Become double in length

Subtopic:  Elastic Potential Energy |
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The graph between E and v is
 

1. 2.
3. 4.
Subtopic:  Work Energy Theorem |
 75%
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A body moves from rest with a constant acceleration. Which one of the following graphs represents the variation of its kinetic energy K with the distance travelled x ?

(1)

(2)

(3)

(4)

Subtopic:  Concept of Work |
 59%
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The diagrams represent the potential energy U as a function of the inter-atomic distance r. Which diagram corresponds to stable molecules found in nature.

(1)

(2)

(3)

(4)

Subtopic:  Potential Energy: Relation with Force |
 75%
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The relationship between the force F and the position x of a body is as shown in the figure. The work done in displacing the body from x = 1 m to x = 5 m will be:

1. 30 J 2. 15 J
3. 25 J 4. 20 J
Subtopic:  Work Done by Variable Force |
 53%
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A particle is placed at the origin and a force F = kx is acting on it (where k is positive constant). If U(0) = 0, the graph of U(x) versus x will be (where U is the potential energy function) 

(1)

(2)

(3)

(4)

Subtopic:  Elastic Potential Energy |
 51%
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