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A body of mass 5Kg moves under a force o...

A body of mass 5Kg moves under a force of 10`hati+15hatj -20hatk` . What is the acceleration produced?

Text Solution

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`2 hati + 3hatj - 4 hatk m//s ^2`
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Derive the dimensions of Planck.s constant. Which other quantity has simA body of mass 5kg moves under a force of 10hati+10hatj-20hatk . What is the acceleration produced?

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Knowledge Check

  • A force of 20 N acts on a body of mass 5kg at rest. What is the acceleration of the body ? What is its velocity after 5 seconds if the same force acts? After 5 seconds if the force ceases to act how will the body move?

    A
    `4 m//s^2 , 20 m/s , ` uniformly velocity
    B
    `2 m//s^2 , 15 m/s , ` uniformly velocity
    C
    `2 m//s^2 , 10 m/s , ` uniformly velocity
    D
    `4 m//s^2 , 20 m/s , ` uniformly velocity

  • A force of 20 N acts on a body of mass 5kg at rest. What is the acceleration of the body ? What is its velocity after 5 seconds if the same force acts? After 5 seconds if the force ceases to act how will the body move?

    A
    `4m//s^2` , 20 m/s, uniform velocity
    B
    ` 2m//s^2` , 15 m/s , uniform velocity
    C
    `2m//s^2` , 10 m/s , uniform velocity
    D
    `4m//s^2` , 20 m/s, uniform acceleration

  • A force of 20 N acts on a body of mass 5kg at rest. What is the acceleration of the body? What is its velocity after 5 seconds if the same force acts? After 5 seconds if the force ceases to act how will the body move?

    A
    `4 m//s^(2)`, 20 m/s, uniform velocity
    B
    `2 m//s^(2)`, 15 m/s , uniform velocity
    C
    `2 m//s^(2)`, 10 m/s , uniform velocity
    D
    `4 m//s^(2)`, 20 m/s, uniform acceleration

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