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Kinematics is the branch of mechanics wh...

Kinematics is the branch of mechanics which delas with the motion of objects without taking _________ into account

A

displacement

B

mass

C

motion

D

force

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The correct Answer is:
D
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Read the following paragraph carefully and answer the following: Tie a stone to one end of a string. Take the other end in your hand and rotate the string so that the stone moves along a circle. As long as we are holding the string, we are pulling the stone towards us i.e. towards the centre of the circle and are appliying a force towards it. The force stops acting on it if we release the string. In this case, the stone will fly off along a straight line which is the tangent to the circle at the position of the stone when the string is released, because that the directionn of its velocity at that instant of time. You may recall a similar activity in which a 5 rupee coin kept on a rotating circular disc flies off the disc along the tangent to the disc. Thus, a force acts on any object moving along a circle and it is directed towards the centre of the circle. This is called the Centripetal force. The impressed force on the same is in which direction?

Read the following paragraph carefully and answer the following: Tie a stone to one end of a string. Take the other end in your hand and rotate the string so that the stone moves along a circle. As long as we are holding the string, we are pulling the stone towards us i.e. towards the centre of the circle and are appliying a force towards it. The force stops acting on it if we release the string. In this case, the stone will fly off along a straight line which is the tangent to the circle at the position of the stone when the string is released, because that the directionn of its velocity at that instant of time. You may recall a similar activity in which a 5 rupee coin kept on a rotating circular disc flies off the disc along the tangent to the disc. Thus, a force acts on any object moving along a circle and it is directed towards the centre of the circle. This is called the Centripetal force. What happens if the string is released?

Read the following paragraph carefully and answer the following: Tie a stone to one end of a string. Take the other end in your hand and rotate the string so that the stone moves along a circle. As long as we are holding the string, we are pulling the stone towards us i.e. towards the centre of the circle and are appliying a force towards it. The force stops acting on it if we release the string. In this case, the stone will fly off along a straight line which is the tangent to the circle at the position of the stone when the string is released, because that the directionn of its velocity at that instant of time. You may recall a similar activity in which a 5 rupee coin kept on a rotating circular disc flies off the disc along the tangent to the disc. Thus, a force acts on any object moving along a circle and it is directed towards the centre of the circle. This is called the Centripetal force. What is centripetal force?

A string clamped at both ends vibrates in its fundamental mode. Is there any position (except the ends) on the string which can be touched without disturbing the motion ? What if the string vibrates in its first overtone ?

SURA PUBLICATION-KINEMATICS-ADDITIONAL QUESTIONS (MULTIPLE CHOICE QUESTIONS)
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  2. The component of position vector vecr along x - axis will maximum valu...

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  3. Consider the quantities pressure, power, energy, impulse, change. Out ...

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  4. The length of a vector is

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  5. Distance is a scalar quantity and is a vector.

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  6. The horizontal range of a projectile fired at an angle of 15^(@) is 50...

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  7. Choose the motion in two dimension from the following.

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  8. Which one of the following physical quantities cannot be represented b...

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  9. An object is dropped is an unknown planet from height 50 m, it reaches...

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  10. The dimensions of physical quantity X in the equation Force =(X)/("Den...

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  11. A vector vecA points vertically upward and vecB points towards north. ...

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  12. The length of a vector is

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  13. The horizontal range of a projectile fired at an angle of 15^(@) is 50...

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  14. Kinematics is the branch of mechanics which delas with the motion of o...

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  15. A mass which has finite value with Zero dimension is called

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  16. is an example for motion in 3 dimension

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  17. Vectors which act along the same line whose angle between them can be ...

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  18. The unit vector in the direction of vecA=hati+hatj+hatk is

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  19. The acceleration which will not give the value of acceleration at any ...

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  20. The relation between linear velocity and angular velocity of a body mo...

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