2 Reaction Board Calculations PDF

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Tutorial based reaction board calculation notes...

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Name: Mac

Centre of Gravity Lab Data Sheet Reaction Board Method 1. Body Height (H): Height (metres) = 184m 2. Body mass (m): 75 kg 3. Reaction board length (between supports) (l): 1.98m 4. Condition 1: Arms at sides of body a. R1: Scale reading = 15kgkg b. R2: Scale reading = __________59_____ kg c.

COM =

d. COM as % of body height

=

 R2 

R1 l

Ms COM 100 Height

5. Condition 2: Arms above head a. R1: Scale reading = ________15_______ kg b. R3: Scale reading = _______63________ kg

c.

COM =

 R3 

R1 l Ms

C=1.17 d. COM as % of body height

COM

= Height 100

63.58% 6. Condition 3: Arms raised and legs raised

a. R1: Scale reading = ______15_________ kg b. R4: Scale reading = ______73_________ kg

c.

COM =

d. COM as % of body height

 R4 

R1 l Ms

COM

= Height 100...