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 = 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
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) 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
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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 = 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_forwardKindly show the FREE BODY DIAGRAM and include the derivation of Summation X and Y (if possible). Always equate the equation to zero since it's equilibrium. Thanks in advancearrow_forwardThree forces of magnitudes F,=4.0 N, F,=6.0 N, and F3=8.0 N are applied to a block of mass m=2.0 kg, initially at rest, at angles shown on the diagram. In this problem, you will determine the resultant (net) force by combining the three individual force vectors. All angles should be measured counterclockwise. 325° 25 A)Find the magnitude of the resultant F, = F, + F, + F, B) Find magnitude and direction C) Magnitude and direction of the acceleration D) How far (in meters) will the block move in 5.0s? Recall that it starts from rest.arrow_forward
- 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. Provide free body diagram for the system and the sum of the forces along the axis.arrow_forwardForce vectors F1 and F2 act on body P with the resultant force vector R. The resultant force R = 350 N and the angle between R and the x-axis is of 35O. If F1 = 180 N and the angle between F1 and the x-axis is 72O, determine the magnitude of F2 and the angle between F2 and the x-axis.arrow_forwardIn the above figure, the block of mass m is at rest on an inclined plane on earth that makes an angle θ with the horizontal. The force of static friction f must be such that:arrow_forward
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