You and someone else are pulling on an object with forces of 50N and 75N respectively. If you are allowed to pull in any direction, what range of values is possible for the magnitude of the resultant force ?
You can use the fact that two pulls on one object is minimum if both pulls are oppositely working and is maximum if both the pulls are working in same direction.
The range of values possible for the magnitude of the resultant force is
[25, 125]
Two pulls on one object is minimum if both pulls are oppositely working and is maximum if both the pulls are working in same direction.
For getting minimum value:
Let they are working oppositely, then the resultant force would be subtraction of one force from other
Based on the direction we can have
Resultant force =
\(75N - 50N = 25N\\50N - 75N = -25N\)
Since the magnitude is same 25, thus, the minimum magnitude we can get is 25
Let the forces are working in same direction, then we have:
Resultant force = 75N + 50N = 125N
Thus, the maximum resultant force's magnitude is 125
Thus,
The range of values possible for the magnitude of the resultant force is
[25, 125]
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