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Centre of Mass
Question 1 of 11
Score:
0
/ 0
Position of CM of a system of particles:
A
(Σ
r
i
)
/
N
r_i)/N
r
i
)
/
N
B
(Σ
m
i
r
i
)
/
(
m_ir_i)/(
m
i
r
i
)
/
(
Σ
m
i
)
m_i)
m
i
)
C
(Σ
m
i
)
/
N
m_i)/N
m
i
)
/
N
D
(Σ
m
i
r
i
m_ir_i
m
i
r
i
²)/(Σ
m
i
)
m_i)
m
i
)
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