The number line shows the starting and ending velocities for ball 1. What’s the change in velocity of ball 1? Calculate the valu
e mathematically, and check it using the number line.
2 answers:
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Answer:
The force is
Explanation:
The diagram for this question is shown on the first uploaded image
From the question we are told that
The weight of the gate is
The vertical component of F is
From the diagram , taking moment about the pivot we have
Where is the weight of the gate evaluated as
=>
=>
=>
