Find the Work Done When a Constant Force of 45

question 185

Multiple Choice

Find the work done when a constant force of 45 lb in the positive x direction moves an object from x = -2 to x = 9 ft.

• A) 11 ft-lb
• B) 495 ft-lb
• C) 45 ft-lb
• D) 315 ft-lb
• E) 450 ft-lb

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Definitions:

Courtship

A period during which individuals of many species perform specific behaviors to attract mates.

Gametic Isolation

A prezygotic reproductive barrier where gametes (egg and sperm) from different species are unable to fuse and form a viable zygote.

Mechanical Isolation

A form of reproductive isolation where differences in the size, shape, or incompatible genitalia prevent mating between species.

Hybrid Inviability

A postzygotic barrier where hybrid offspring fail to survive to reproductive age.