Compare the properties of conservative and non-conservative forces with regard to
(i) $P E$
(ii) Reversibility of work done
(iii) Dependence on the path
(iv) Work done in a round trip. Give examples

Important Questions on Work, Energy and Power

MEDIUM

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 6 - Work, Energy and Power>Assignment>Q 52

Consider an object of mass

m

connected with an ideal spring of spring constant

k

. Show that the speed and the

K E

will be maximum at equilibrium position. Get an expression for the maximum speed.

MEDIUM

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IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 6 - Work, Energy and Power>Assignment>Q 53

Illustrate the conservation of mechanical energy for vibration of a simple pendulum. Explain it with the variation of

K E, P E

and total energy with the position.

MEDIUM

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IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 6 - Work, Energy and Power>Assignment>Q 54

Explain 'potential energy'. Give its dimensions and SI unit. Give an example of potential energy other than that of gravitational

P E

.

MEDIUM

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IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 6 - Work, Energy and Power>Assignment>Q 55

Mention some of the different forms of energy and discuss them briefly.

MEDIUM

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IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 6 - Work, Energy and Power>Assignment>Q 56

What do you mean by collision? Discuss two types of collision with their essential characteristics.

HARD

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 6 - Work, Energy and Power>Assignment>Q 57

Consider the collision shown in Fig. between two billiard balls with equal masses. The player wants to 'sink' the target ball in a corner pocket, which is at an angle $θ_{2} = 30 °$ . Assume an elastic collision. Neglect friction and rotational motion. Find $θ_{1}$

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