Answers

2014-06-22T17:51:16+08:00
The thread will be cut. The pen will go down, the pen's motion is caused by the absence of tension force that is pulling it up/ opposing the gravity and the gravitational force that pulls it down.
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2014-06-22T21:06:20+08:00
When the thread has been cut off...the thread falls down and the FORCE OF GRAVITY is applied to it...
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