Leadership

Physics

Nine Standard

Test your understanding of this lesson Some definitions related to force & motion:-

1)
SI unit of speed is :
  • Metre
  • Metre/second
  • Metre/sec^{2}
  • cm/second
2)
Velocity is a :
  • scalar quantity
  • Vector quantity
  • Scalar-Vector quantity
  • None of these
3)
CGS unit of acceleration is :
  • cm
  • cm/second
  • cm/second2
  • cm/second3
4)
A motorcycle moves along a circular path having a diameter of 70 m.If the motor cycle completes the circle , it's displacement will be :
  • 70 m
  • 220 m
  • 35 m
  • 0
5)
Starting from rest , if a body acquires a velocity of 240 m/sec after 4 minutes, it's acceleration is :
  • 0
  • 1m/sec2
  • 60 m/sec2
  • 960 m /sec2
Hand draw

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