Enable
students to
1. 
Understand
the physical meaning of moment as “turning effect” 
2. 
Explore
the practical meaning of moment as “F sin q x r” or “F d” 
Apparatuses
Included in package
1. 
Stage 
x 1 
2. 
Worksheet
file (read only) 
x 1 
3. 
Presentation
file (read only) 
x 1 
4. 
Operation
file (read only) 
x 1 
Not included in package



In a
doublelesson, teachers could
1. 
Invite
students to define turning effect of a push characterized by F, q and r. 
2. 
Demonstrate
the experimental support of t = F sin q x r = F d 
3. 
Demonstrate
the sum of moment of the same turning direction is equal to the total moment 
4. 
Challenge
students with Moment Mind 
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