Question

When a load P is allowed to fall from a certain height, it is called as

•Suddenly applied load

•Gradually applied load

• Impact load

•None of the above​

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Answer 1

Answer:

answer is

Explanation:

correct answer is none of these

Answer 2

Answer:

Impact load is acted on the load P.

Explanation:

When a load P is allowed to fall from a certain height, It is called an impact load.

Impact load refers to the force delivered by the sudden load on a structural member rather than a force applied constantly and sustained over a long period.

In other words, it is the high force or shock applied over a short time period when two or more bodies collide. Such an impact force or acceleration usually has a greater effect than a lower force applied over a proportionally longer period. The effect of impact force depends critically on the relative velocity of the bodies to one another.

Therefore when the load P is allowed to fall from a certain height, a sudden impact is created until the load falls to the ground. Interestingly, depending on the material of the load the impact force differs.  

Hence, impact load is created when a load P is allowed to fall from a certain height.

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