01. A tightrope walker uses a long pole as a mechanical advantage to maintain balance by:

Question 4Select one:

a.

All options are correct.

b.

Increasing the moment of inertia.

c.

Adding mass to the system.

d.

Transferring angular momentum from the body to the pole.

2. The vertical position of a person's center of mass is 0.92 m and it is directed downwards to the center of the base of support. They are standing with their feet 0.24 m apart. At what angle would toppling begin in this person?

Question 3Select one:

a.

82.6 deg

b.

14.6 deg

c.

7.4 deg

d.

75.4 deg

03. A 64.5 kg person's center of mass is located 1.1 m from the ground. This person is holding a 30 kg barbell over their head at 1.85 m from the ground. What is the total CoM height from the ground?

Question 1Select one:

a.

126.45 m

b.

1.63 m

c.

1.34 m

d.

1.96 m