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CIE Physics Paper 1

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cs:
Anyone can help me?

Nov 2003 Q16

June 2004 Q 14

June 2008 Q13

Thanks in advance..

nid404:
nov 03 Q16)

F increases as theta increases.

Hence A

June 04 Q14)

20 N, the weight, acts vertically downwards. Tension-40N is in the direction of the wire. Their sum total is the addition of the two vectors(forces). Hence B

June 08 q13)   Triangle law of vector addition again. A

I answered briefly, if you need help with the diagram, let me know

cs:
Thanks Ahana.. I got it.. :)

nid404:
Glad :)

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