Question

Replace the three forces shown by an equivalent force-couple system at point A. If the forces are replaced by a single resultant force, determine the distance d below point A to its line of action. 200 N 790 mm A 790 mm 180 N 790 mm 330 N Answers: Force-couple system at A. The force is positive if to the right, and the couple is positive if counterclockwise. R = N M = N·m Single resultant force. d = mm

          Replace the three forces shown by an equivalent force-couple system at point A. If the forces are replaced by a single resultant force, determine the distance d below point A to its line of action.
200 N
790 mm
A
790 mm
180 N
790 mm
330 N
Answers:
Force-couple system at A. The force is positive if to the right, and the couple is positive if counterclockwise.
R =
N
M =
N·m
Single resultant force.
d =
mm

Show more…

Replace the three forces shown by an equivalent force-couple system at point A. If the forces are replaced by a single resultant force, determine the distance d below point A to its line of action.
200 N
790 mm
A
790 mm
180 N
790 mm
330 N
Answers:
Force-couple system at A. The force is positive if to the right, and the couple is positive if counterclockwise.
R =
N
M =
N·m
Single resultant force.
d =
mm

Added by Carol H.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Supreeta N

06/02/2023

Step 1

Step 1: Calculate the resultant force (R) R = 200 N (right) - 180 N (left) + 330 N (right) R = 350 N (right) Show more…

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Replace the three forces shown by an equivalent force-couple system at point A. If the forces are replaced by a single resultant force, determine the distance d below point A to its line of action.

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Transcript

00:01 Hello students, in the question we are given three forces, we have to find equivalent force couple system at point a.

00:08 We can move these forces at point a.

00:10 We are moving 200 newton force at point a.

00:15 So, corresponding to this we also have moment.

00:17 This 200 newton force causes a clockwise moment.

00:21 So, here we have clockwise moment m1, m1 it is equal to force that is 200 newton into distance from point a that is 0 .79 meters.

00:35 This comes out to be equal to minus 158 newton meter.

00:41 Next, we are moving this force at point a.

00:45 So, here we have force 180 newton.

00:49 Now, this force also causes clockwise moment.

00:53 So, here we would have clockwise moment m2, m2 is equal to force that is 180 newton into distance from point a that is 0 .79 meters.

01:08 This is equal to minus 142 .2 newton meter.

01:13 We have third force 330 newton.

01:16 Here we can move this force also here at point a, 330 newton.

01:22 This force causes counterclockwise moment.

01:25 Here we have counterclockwise moment due to this force.

01:31 We have m3, it is equal to plus 330 newton into distance from force.

01:40 Here we have 0 .79 plus 0 .79 meters.

01:46 This comes out to be equal to here we have 521 .4 newton meter...

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