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1
1–1.
What is the weight in newtons of an object that has a mass
of (a) 8 kg, (b) 0.04 kg, and (c) 760 Mg?
SOLUTION
2
1–2.
Represent each of the following combinations of units in
the correct SI form: (a)
>
KN>
m
s,
(b)
Mg>mN,
and
(c)
MN>(kg #ms).
SOLUTION
3
1–3.
Represent each of the following combinations of unit in the
correct SI form: (a)
Mg>ms,
(b)
N>mm,
(c)
mN>(kg #
m
s).
SOLUTION
4
*1–4.
SOLUTION
Convert: (a) to (b) to
(c) Express the result to three significant
figures.Use an appropriate prefix.
8ft>h to mm>s.
kN>m3,350 lb>ft3
N#m,200 lb #ft
5
1–5.
Represent each of the following as a number between 0.1
and 1000 using an appropriate prefix: (a) 45 320 kN,
(b) 568(105) mm, and (c) 0.00563 mg.
SOLUTION
6
1–6.
Round off the following numbers to three significant
figures: (a) 58 342 m, (b) 68.534 s, (c) 2553 N, and
(d) 7555 kg.
SOLUTION
7
1–7.
Represent each of the following quantities in the correct
SI form using an appropriate prefix: (a) 0.000 431 kg,
(b) ,and (c) 0.005 32 km.35.3(10
3
)N
SOLUTION
8
*1–8.
SOLUTION
Represent each of the following combinations of units in
the correct SI form using an appropriate prefix: (a) Mg/mm,
(b) (c) mm#Mg.mN>ms,
9
1–9.
SOLUTION
Represent each of the following combinations of units in
the correct SI form using an appropriate prefix: (a)
(b) (c) ks and (d) km
#
mN.mkm,
>mg,
m>ms,
1 0
1–10.
Represent each of the following combinations of units in the
correct SI form: (a)
GN #
m
m,
(b)
kg>
m
m,
(c) N
>
ks
2
, and
(d)
KN>
m
s.
SOLUTION
1 1
1–11.
Represent each of the following with SI units having an
appropriate prefix: (a) 8653 ms, (b) 8368 N, (c) 0.893 kg.
SOLUTION
