A 150-N Crate Is Being Pulled Up a Perfectly Smooth

question 80

Short Answer

A 150-N crate is being pulled up a perfectly smooth ramp that slopes upward at 15° by a pull that is directed at 30° above the surface of the ramp. What is the magnitude of the pull required to make the crate move up the ramp at a constant velocity of 1.75 m/s?

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Definitions:

Sperm Nucleus

The male genetic material contained within the head of a sperm cell that fuses with an egg cell's nucleus during fertilization.

Pollinators

Animals or insects that transfer pollen from one flower to another, facilitating plant reproduction.

Megaspore

A type of spore in some plants that develops into a female gametophyte, distinguished by being larger than other types of spores, such as microspores.

Female Gametophyte

The gamete-producing structure in plants and algae that develops into the female gamete.