Answer:
If you're pulling something with a handle at an angle, part of the force you are exerting is up or down on the handle. So, you would want to have the handle be as close as possible to the angle you're pulling it in (parallel with the ground) to have maximum force pulling the load.
Explanation:
hope this helps!
The thinking of when the wagon should be pulled with the handle at an angle should be explained below.
In the case when something should be pulled along with the handle at the angle also the part of the force that should be exerted in up position or down position with respect to the handle. In the case when the handle should be close with respect to the angle so it should be pulled i.e. parallel with the ground that has the maximum force that should be pulled the load.
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