Physics for Scientists and Engineers
6th Edition
ISBN: 9781429281843
Author: Tipler
Publisher: MAC HIGHER
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Chapter 4, Problem 58P
(a)
To determine
The smallest force that the mover has to exert on the box to move it up the ramp.
(b)
To determine
The smallest force that the mover has to exert on the box to move it up the ramp.
(c)
To determine
The smallest force that the mover has to exert on the box to move it up the ramp.
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Students have asked these similar questions
Four people are attempting to move a stage platform across the floor. If they exert the horizontal forces shown, determine (a) the
equivalent force-couple system at O and (b) the points on the x- and y-axes through which the line of action of the single resultant force
R passes.
Assume F₁ = 66 lb, F₂ = 60 lb, F3 = 25 lb, F4 = 74 lb, a = 88 in., b = 67 in., and 0 = 41°
F₂
F₁
Answers:
b
R=
(a) The force-couple system at O:
Mo=
O
(181
i 1.28
On the x-axis x= i 7.09
On the y-axis y=
B
17.5
ان
F,
(b) The line of action of the single resultant R:
i+ 73.5
k lb-in.
Ꮎ
-x
in.
in.
j) lb
Four people are attempting to move a stage platform across the floor. If they exert the horizontal forces shown, determine (a) the
equivalent force-couple system at O and (b) the points on the x- and y-axes through which the line of action of the single resultant force
R passes.
Assume F₁ = 66 lb, F₂ = 74 lb, F3 = 26 lb, F4 = 59 lb, a = 95 in., b = 73 in., and 0 = 43%
F₁
F₂
F₁
Answers:
b
R=
Mo=
O
(a) The force-couple system at O:
A
On the x-axis X= i
On the y-axis y=
B
i
ان
F,
(b) The line of action of the single resultant R:
i+ i
k lb-in.
0
in.
in.
j) lb
Problem 4:
An object of mass m is being acted by the following 3 forces: F1 = 500 N @ 45° North of East, F2 = 750 N @ 30° West of North and
F3 = 400 N @ 30° South of West. Find mathematically the magnitude and direction of a fourth force F4 that will maintain the object
at equilibrium
Ignore the weight of the object. Show free body diagram for the system and the sum of the forces along
the axis
Chapter 4 Solutions
Physics for Scientists and Engineers
Ch. 4 - Prob. 1PCh. 4 - Prob. 2PCh. 4 - Prob. 3PCh. 4 - Prob. 4PCh. 4 - Prob. 5PCh. 4 - Prob. 6PCh. 4 - Prob. 7PCh. 4 - Prob. 8PCh. 4 - Prob. 9PCh. 4 - Prob. 10P
Ch. 4 - Prob. 11PCh. 4 - Prob. 12PCh. 4 - Prob. 13PCh. 4 - Prob. 14PCh. 4 - Prob. 15PCh. 4 - Prob. 16PCh. 4 - Prob. 17PCh. 4 - Prob. 18PCh. 4 - Prob. 19PCh. 4 - Prob. 20PCh. 4 - Prob. 21PCh. 4 - Prob. 22PCh. 4 - Prob. 23PCh. 4 - Prob. 24PCh. 4 - Prob. 25PCh. 4 - Prob. 26PCh. 4 - Prob. 27PCh. 4 - Prob. 28PCh. 4 - Prob. 29PCh. 4 - Prob. 30PCh. 4 - Prob. 31PCh. 4 - Prob. 32PCh. 4 - Prob. 33PCh. 4 - Prob. 34PCh. 4 - Prob. 35PCh. 4 - Prob. 36PCh. 4 - Prob. 37PCh. 4 - Prob. 38PCh. 4 - Prob. 39PCh. 4 - Prob. 40PCh. 4 - Prob. 41PCh. 4 - Prob. 42PCh. 4 - Prob. 43PCh. 4 - Prob. 44PCh. 4 - Prob. 45PCh. 4 - Prob. 46PCh. 4 - Prob. 47PCh. 4 - Prob. 48PCh. 4 - Prob. 49PCh. 4 - Prob. 50PCh. 4 - Prob. 51PCh. 4 - Prob. 52PCh. 4 - Prob. 53PCh. 4 - Prob. 54PCh. 4 - Prob. 56PCh. 4 - Prob. 57PCh. 4 - Prob. 58PCh. 4 - Prob. 59PCh. 4 - Prob. 60PCh. 4 - Prob. 61PCh. 4 - Prob. 62PCh. 4 - Prob. 63PCh. 4 - Prob. 64PCh. 4 - Prob. 65PCh. 4 - Prob. 66PCh. 4 - Prob. 67PCh. 4 - Prob. 68PCh. 4 - Prob. 69PCh. 4 - Prob. 70PCh. 4 - Prob. 71PCh. 4 - Prob. 72PCh. 4 - Prob. 73PCh. 4 - Prob. 74PCh. 4 - Prob. 75PCh. 4 - Prob. 76PCh. 4 - Prob. 77PCh. 4 - Prob. 78PCh. 4 - Prob. 79PCh. 4 - Prob. 80PCh. 4 - Prob. 81PCh. 4 - Prob. 82PCh. 4 - Prob. 83PCh. 4 - Prob. 84PCh. 4 - Prob. 85PCh. 4 - Prob. 86PCh. 4 - Prob. 87PCh. 4 - Prob. 88PCh. 4 - Prob. 89PCh. 4 - Prob. 90PCh. 4 - Prob. 91PCh. 4 - Prob. 92PCh. 4 - Prob. 93PCh. 4 - Prob. 94PCh. 4 - Prob. 95PCh. 4 - Prob. 96PCh. 4 - Prob. 97PCh. 4 - Prob. 98P
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- Four people are attempting to move a stage platform across the floor. If they exert the horizontal forces shown, determine (a) the equivalent force-couple system at O and (b) the points on the x- and y-axes through which the line of action of the single resultant force R passes. Assume F₁ = 72 lb, F₂ = 61 lb, F3 = 43 lb, F4 = 73 lb, a = 85 in., b = 72 in., and 0 = 44% F₂ F₁ Answers: R b (a) The force-couple system at O: = Mo- | A i B C F₂ i+i k lb-in. Ө -x j) lbarrow_forwardFour people are attempting to move a stage platform across the floor. If they exert the horizontal forces shown, determine (a) the equivalent force-couple system at O and (b) the points on the x- and y-axes through which the line of action of the single resultant force R passes. Assume F1-69 lb, F2-60 lb, F3-32 lb. F4-61 lb,a-75 in, b-60 in, and = 47° F₁ F₁- Answers: (a) The force-couple system at O R= b Mo- (i i (b) The line of action of the single resultant R: On the x-xx- On the y-axis y i klb-in in. in.arrow_forwardFour people are attempting to move a stage platform across the floor. If they exert the horizontal forces shown, determine (a) the equivalent force-couple system at O and (b) the points on the x- and y-axes through which the line of action of the single resultant force R passes. Assume F1 = 61 Ib, F2 = 74 lb, F3 = 43 lb, F4 = 57 lb, a = 73 in., b = 61 in., and 0 = 44°. F. |A F, F, F, Answers: (a) The force-couple system at O: R = i 176 i+ i 82.6 j) Ib Мо i -985.67 k Ib-in.arrow_forward
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