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Acceleration of a body can be……. Only if...

Acceleration of a body can be……. Only if…….

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non - zero unbalanced exernal force acting on the body is non-zero .
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The acceleration of a moving body can be found from

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Assertion: A negative acceleration of a body can be associated with a 'speeding up' of the body. Reason: Increase in speed of a moving body is independent of its direction of motion.

Assertion : The equation of motion can be applied only if acceleration is along the direction of velocity and is constant. Reason : If the acceleration of a body is constant then its motion is known as uniform motion.

A positive accelration of a body can be associated with a shoeing down of the body. Acceleration is a vector equantity.

The acceleration of a body in SHM is

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The linear momentum of a body can change only in the direction of applied force Comment .

PRADEEP-LAWS OF MOTION-Fill in the blanks
  1. An external force….. To keep a body…. According to….. .

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  2. ……. Force is acting on a body ……or in ……with …… according to……. .

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  3. Linear momentum of a body is defined as….. .

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  4. The net force on a body is equal to…… and…… .

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  5. Acceleration of a body can be……. Only if…….

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  6. The inability of a body….. Its state….. Or……is called…….of the body.

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  7. One newton force is ……..produce an acceleration of…….in a body of……. .

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  8. Impulse of a force is …….and…… .

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  9. In an isolated system……of……is…..and is not affected by .

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  10. Burnt out speed of a rocket …..when…… .

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  11. Friction arises on account of……..at the ……..

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  12. When surfaces in contact are…..friction between them….instead of….. .

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  13. ……. Is a self….. Force .

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  14. The magnitude of the force of ….. Between any two bodies in contact is...

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  15. Coefficient of limiting frictions between any two surfaces in contact ...

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  16. Angle of friction between any two surfaces in contact is…… of force of...

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  17. Friction always…….

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  18. Frictions is a…… though it is…….

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  19. Centripetal force is …… to move a body ….. In a…..

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  20. Banking of roads is the phenomenon of…… outer edge of the road…… the i...

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