The Force Due to Gravity That Acts on a Block

question 9

Multiple Choice

The force due to gravity that acts on a block of ice that slides down an icy ramp

• A)remains equal to mg at all angles.
• B)decreases as the slope of the ramp increases.
• C)becomes greatest when the ramp is vertical.

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Definitions:

Foraminae

Natural openings or holes, especially in bones, through which nerves and blood vessels pass.

Vertebrae

The bones in the spinal column.

Dislocation

An injury where the ends of bones are forced from their normal positions in a joint, resulting in pain, swelling, and loss of movement.

Articulating Surfaces

The surfaces of bones that come into contact with one another to form joints, allowing for movement.