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Punjab Board > 9th > Physics (Total Videos: 48)
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Chapter 4: Dynamics (4 videos)

4.1: Frictional force
1. Study relation btwn limiting friction and normal reaction
2. Measure friction by rolling roller on horizontal plane
 
4.2: Gravitational acceleration force of gravity 'g'
1. Determine value of g by Atwood machine
 
4.3: Resultant of forces
1. Determine result of two forces using force table
 

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