[ T ] Find the magnitude of the force that needs to be applied to the end of a 20 -cm wrench located on the positive direction of the y -axis if the force is applied in the direction 〈 0 , 1 , − 2 〉 and it produces a 100 N ⋅ m torque to the bolt located at the origin.
[ T ] Find the magnitude of the force that needs to be applied to the end of a 20 -cm wrench located on the positive direction of the y -axis if the force is applied in the direction 〈 0 , 1 , − 2 〉 and it produces a 100 N ⋅ m torque to the bolt located at the origin.
[
T
]
Find the magnitude of the force that needs to be applied to the end of a
20
-cm
wrench located on the positive direction of the
y
-axis if the force is applied in the direction
〈
0
,
1
,
−
2
〉
and it produces a
100
N
⋅
m
torque to the bolt located at the origin.
Use the concept of Particular Antiderivatives and Rectilinear Motion to answer the problem below:
On the edge of an 8m building, Sam throws his toy vertically upwards at initial velocity = 28 m/s. If the only force that acts on the toy is accelerationdue to gravity (-32 ft/s),
a. How many seconds will it take for the toy to reach its maximum height?b. What is the toy's speed when it hits the ground?
The force P = 15 lb is applied to the cable and the cords slip on the smooth surfaces of the non-
rotating pulleys. Determine the magnitude and direction of the acceleration of the 36-lb cylinder if
(a) the pulleys are massless, (b) the pulleys are 4 lb each. (a = 21.5 ft/sec², a = = 6.9 ft/sec²)
P
W
A 120 lb., 55-year-old female lifts a box with weight of 18 pounds from a position on the floor to a conveyor whose surface height is 25 inches from the floor. She lifts this box at a rate of four lifts per minute. The box, which has cutout handles at a distance of 7 inches from the floor, begins in a position 45 degrees to the right at a distance of 12 inches and ends directly
in front of her at a forward distance of 18 inches. The worker performs this task constantly for 6 hours per day.
Calculate the FIRWL and FILI for the start position.
Using and Understanding Mathematics: A Quantitative Reasoning Approach (6th Edition)
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