7 Males and females have slightly different centers of mass caused by a differen

Question

7 Males and females have slightly different centers of mass caused by a difference in body proportion. Squat on the ground and have someone place an empty plastic water or soda bottle (16 or 20 oz.) on its end 8 to 10 inches out in front of you, between your feet. Put your hands behind your back. Lean down and attempt to knock over the bottle with your nose. You are disqualified if you fall over. No fair blowing it over, and be careful to not put out an eye a Are either males or females more successful at knocking over the bottle? bhatoes tisbe bcaton oales and femaler

Explanation / Answer

7.

The center of mass is a hypothetical point at which the total mass of the body appears to be concentrated.

(a) In the given experiment, females will be more succesful than males at knocking the bottle over.

(b) This says that the center of mass is located at a lower position in females than in males.

Thus, as the center of mass is located lower, females are able to bend more than males and knock the bottle over.

In most men, the center of mass is located slightly above the navel, whereas in most women, it is located below the navel, near to the hips.

This is because women have a broader pelvis area, thus lowering the center of mass, and allowing them to bend more.

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