39. If a body of mass 5 kg is lifted from the ground level to a height of 5m then ratio of its inertia (a) 1:1 (c) constant (b) same (d) not defined
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Body of mass 5 kg is lifted from the ground level to a height of 5m.
We need to find:
- Ratio of inertia ?
First of all, let's define inertia :
- INERTIA is defined as a physical quantity which is proportional to mass only.
- That means, higher the mass, higher will be the inertia.
Now, coming back to Question:
- Irrespective of the position of the body, its mass will always remain 5 kg. That's means it's initial and final inertia will also remain constant.
- So, ratio of inertia will be 1 : 1.
Hope It Helps.
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