4. What is the mass of the rock shown in the figure? 12.5 cm 25 cm -100 cm 50 cm 75 cm 0 cm I kg m =?

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4. What is the mass of the rock shown in the figure?
12.5 cm
50 cm
75 cm
- 100 cm
0 cm
25 cm
1 kg
m = ?
5. What is the mass of the meter stick shown in the figure (Hint: 25% of the meter stick's mass is to
the left of the fulcrum and 75% is to the right)?
0 cm
25 cm
50 cm
75 cm
100 cm
I kg
6. If the torque required to loosen a nut on the wheel of a car has a magnitude of 40.0 N-m, what
minimum force must be exerted by a mechanic at the end of a 0.30-m wrench to loosen the
nut?
of
Transcribed Image Text:4. What is the mass of the rock shown in the figure? 12.5 cm 50 cm 75 cm - 100 cm 0 cm 25 cm 1 kg m = ? 5. What is the mass of the meter stick shown in the figure (Hint: 25% of the meter stick's mass is to the left of the fulcrum and 75% is to the right)? 0 cm 25 cm 50 cm 75 cm 100 cm I kg 6. If the torque required to loosen a nut on the wheel of a car has a magnitude of 40.0 N-m, what minimum force must be exerted by a mechanic at the end of a 0.30-m wrench to loosen the nut? of
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