A 15 Kg Block Is on a Ramp That Is

question 9

Multiple Choice

A 15 kg block is on a ramp that is inclined at 20° above the horizontal.It is connected by a string to a 19 kg mass that hangs over the top edge of the ramp.Assuming that frictional forces may be neglected,what is the magnitude of the acceleration of the 19 kg block? (See the figure. )

• A)4.0 m/s²
• B)3.8 m/s²
• C)4.2 m/s²
• D)4.5 m/s²

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Definitions:

Contained

Something that is held or enclosed within a boundary or container, preventing it from spreading or escaping.

Ovary

In flowering plants, the enlarged, ovule-bearing portion of the carpel that develops into a fruit; female gonad in animals that produces an egg and female sex hormones.

Anther

Male structure of a flowering plant where pollen is produced; attached to the flower by the filament.

Filament

End-to-end chains of cells that form as cell division occurs in only one plane; in plants, the elongated stalk of a stamen.