A Man Moves the 10-G Object Shown in a Vertical

question 58

Multiple Choice

A man moves the 10-g object shown in a vertical plane at a constant speed from position X to position Y along a circular track of radius 20 m. The process takes 0.75 min. The work done by the man is about:

• A) 1 J
• B) 2 J
• C) 4 J
• D) 6 J
• E) 12 J

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Definitions:

Fertilized Egg

The result of the fusion of a male sperm cell and a female ovum, marking the beginning of a new organism's development.

Zygote

The initial cell formed when a new organism is produced by means of sexual reproduction, resulting from the fusion of male and female gametes.

Implantation

The process by which a fertilized egg attaches to the lining of the uterus beginning pregnancy.

Embryo

An early stage of development in multicellular organisms, following fertilization and before becoming a fetus.