Part A The block has a weight of 84 1lb and rests on the floor for which uk = 0.4. The motor draws in the cable at a constant rate of 6 ft/s. Neglect the mass of the cable and pulleys. (Figure 1) Determine the output of the motor at the instant 0 = 30°. Express your answer using three significant figures. Figure < 1 of 1 vec ? W = 0.00366 hp 3 ft Submit Previous Answers Request Answer 3 ft X Incorrect; Try Again; 2 attempts remaining

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Part A
The block has a weight of 84 lb and rests on the floor for
which u = 0.4. The motor draws in the cable at a
constant rate of 6 ft/s. Neglect the mass of the cable and
pulleys. (Figure 1)
Determine the output of the motor at the instant 0 = 30°.
Express your answer using three significant figures.
Figure
1 of 1
V ΑΣΦ
vec
w = 0.00366
hp
3 ft
Submit
Previous Answers Request Answer
3 ft
X Incorrect; Try Again; 2 attempts remaining
6 ft/s
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P Pearson
Transcribed Image Text:I Review Part A The block has a weight of 84 lb and rests on the floor for which u = 0.4. The motor draws in the cable at a constant rate of 6 ft/s. Neglect the mass of the cable and pulleys. (Figure 1) Determine the output of the motor at the instant 0 = 30°. Express your answer using three significant figures. Figure 1 of 1 V ΑΣΦ vec w = 0.00366 hp 3 ft Submit Previous Answers Request Answer 3 ft X Incorrect; Try Again; 2 attempts remaining 6 ft/s < Return to Assignment Provide Feedback P Pearson
Expert Solution
Step 1 To determine,

The output of the motor at the instant \theta= 30°.

Given,θ=30oThe weight of the block w= 84 lb  coefficient of frictionμk of the floor= 0.4 velocity of the cable at motor vB= 6 fts

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