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प्रश्न
A body is acted upon by two forces of magnitude F but in opposite directions. State the effect of the force if both forces act at the same point of the body.
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उत्तर
Resultant force acting on the body = F - F = 0
moment of forces = 0 i.e no motion of the body
संबंधित प्रश्न
Name the factors affecting the turning effect of a body
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Write an expression for the change in momentum of a body of mass m moving with velocity v if v << c.
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Assertion & Reasoning
- Assertion: The sum of the clockwise moments is equal to the sum of the anticlockwise moments.
- Reason: The principle of conservation of momentum is valid if the external force on the system is zero.
