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CBSE Class 9 Answered

Work and Energy 9th
Asked by monicasyal | 12 Dec, 2009, 11:12: AM
Expert Answer

Hi dear,

For any object moving with the same speed, net force is zero.

According to newton's laws of motion,

F = dp / dt, p is the momentum of the system, and F is the net force. In equilibrium , there is zer net force , but ( balanced forces) may be present. Again, if an unbalanced force acts upon the system, there is a change in momentum of the object.

Hope this satisfies your requirements.

Regards,

Aruna

Topperlearning.com

Answered by | 12 Dec, 2009, 01:51: PM
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