if no external force applied body will stay at rest or in motion but in case of us without applying any external we still able to sit up while sleeping???
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If a body will not change its state of motion till any external force is applied. In case of us sitting up while sleeping, our muscles apply force. We can't sit up without any force acting.
Hope it helps you
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Answer:
If a body will not change its state of motion till any external force is applied. In case of us sitting up while sleeping, our muscles apply force. We can't sit up without any force acting.
Hope it helps you
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