Three Forces $\overrightarrow { \mathbf { F } }$ ₁ $\overrightarrow { \mathbf { F } }$

question 112

Multiple Choice

Three forces, $\overrightarrow { \mathbf { F } }$ ₁, $\overrightarrow { \mathbf { F } }$ ₂, and $\overrightarrow { \mathbf { F } }$ ₃, each of magnitude 70 N, all act on an object as shown in the figure. The magnitude of the resultant force acting on the object is

• A)35 N.
• B)70 N.
• C)140 N.
• D)210 N.
• E)0 N.

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Definitions:

Outer Ear

The external portion of the ear, consisting of the pinna and ear canal, that collects sound waves and directs them into the ear.

Eardrum

A thin membrane that separates the outer ear from the middle ear and vibrates in response to sound waves.

Monochrome Blindness

A condition in which an individual cannot perceive colors at all, seeing only shades of grey.

Perceptual Abilities

The capacity to perceive, interpret, and understand sensory information.