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3 years ago

13

If a one-pound weight were one foot from the pivot or shaft of a lever, how many pound-feet of force would result? A. 4 B. 1 C.

3 D. 2

2 answers:

mixas84 [53]3 years ago

8 0

The force is still 1 pound.

The TORQUE around the pivot is (force) x (distance from the pivot) = 1 foot-pound. (B)

MissTica3 years ago

4 0

Answer is B. 1 pound-feet of force

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3 years ago

She sights two sailboats going due east from the tower. The angles of depression to the two boats are 42o and 29o. If the observ

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Explanation:

Given:

The angles of depression to the two boats are 42 degrees and 29 degrees

Height of the observation deck i = 1,353 feet

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How far apart are the boats (y )= ?

Solution:

<em><u>Step 1 : Finding the value of x(Refer the figure attached)</u></em>

We can use the tangent ratio to find the x value

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$x = \frac{1353}{tan(42^{\circ}) }$

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<em><u>Step 2 : Finding the value of z (Refer the figure attached)</u></em>

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$z = \frac{1353}{tan(29^{\circ})}$

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y = z -x

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