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Past exam of the mathematics course of the University of Cambridge
/
2016
/
ia
/
Paper 4
/
3B
/
ii
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Mathematics course of the University of Cambridge
Past exam of the mathematics course of the University of Cambridge
2016
ia
Paper 4
3B
Created
2026-09-24
Updated
2026-09-24
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Solution
ii
Solution
0
0
0
ii
The
torque
about an origin is
τ
=
r
×
F
.
A
cross product
multiplies the
dimensions
of its factors, so
torque
has the
physical dimension
of
length
times
force
:
[
τ
]
=
L
[
F
]
=
M
L
2
T
−
2
.
(1)
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3B
Paper 4
ia
2016
Past exam of the mathematics course of the University of Cambridge
Mathematics course of the University of Cambridge
Course of the University of Cambridge
University of Cambridge
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