(b) Fig. 3.1 is an overhead view of two tractors pulling a tree trunk. The force exerted by each tractor is indicated in the diagram. In the space below, carefully draw a scale diagram to determine the resultant force on the tree trunk. State the scale you use. Write down the magnitude of the resultant force and the angle between the resultant force and one of the original forces.
(b) Fig. 3.1 is an overhead view of two tractors pulling a tree trunk.
The force exerted by each tractor is indicated in the diagram. In the space below, carefully draw a scale diagram to determine the resultant force on the tree trunk. State the scale you use. Write down the magnitude of the resultant force and the angle between the resultant force and one of the original forces.
Answer:
Here's a rough diagram for this question!
The scale I used is 1cm = 5000N.
So, 20000N = 4 cm & 30000N = 6cm.
To find the magnitude of the resultant force, draw a straight line from one corner of the parallelogram to the other end and measure the line. From the diagram, mine would be around 10cm. So, based on the scale I used, 10cm would be 50000N. Therefore, the resultant force is 50000N!
For the angle between the resultant force, I got around 13°-14°!
I hope this helps!
EDIT: My bad, I just noticed I wrote 2000N on my pic loll, thats supposed to be 20000N.
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