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Questions and Answers
A person carrying a heavy box of weight $W$ jumps from a height. Just before landing, what is the approximate load experienced?
A person carrying a heavy box of weight $W$ jumps from a height. Just before landing, what is the approximate load experienced?
- Zero
- $W/2$
- $2W$
- $W$ (correct)
A box of weight $W$ is dropped from a height $h$. Ignoring air resistance, what load does the box experience during its descent?
A box of weight $W$ is dropped from a height $h$. Ignoring air resistance, what load does the box experience during its descent?
- A variable load that increases with height
- $W$ (correct)
- Zero
- $W/2$
Imagine a scenario where a person carrying articles of weight $W$ falls from height $h$ and lands on a trampoline. What describes the load experienced upon impact with the trampoline?
Imagine a scenario where a person carrying articles of weight $W$ falls from height $h$ and lands on a trampoline. What describes the load experienced upon impact with the trampoline?
- Zero
- Less than W
- Greater than W (correct)
- Equal to W
If the thief was falling in a vacuum, what would be the load experienced?
If the thief was falling in a vacuum, what would be the load experienced?
A person carrying a box jumps from a significant height. How does the experienced load change as they approach the ground?
A person carrying a box jumps from a significant height. How does the experienced load change as they approach the ground?
Consider the thief lands on a very soft surface such that the deceleration upon impact become negligible. What will be the load experienced by the thief?
Consider the thief lands on a very soft surface such that the deceleration upon impact become negligible. What will be the load experienced by the thief?
If the person were on the moon (where gravity is approximately 1/6 of Earth's) carrying a box of weight $W$ on Earth and jumps from a height $h$, what is the load experienced?
If the person were on the moon (where gravity is approximately 1/6 of Earth's) carrying a box of weight $W$ on Earth and jumps from a height $h$, what is the load experienced?
What factor has the least influence on the load experienced during the fall before impact?
What factor has the least influence on the load experienced during the fall before impact?
Suppose the thief uses a spring-loaded backpack to partially counteract the weight of the articles during the fall. How does this affect the experienced load?
Suppose the thief uses a spring-loaded backpack to partially counteract the weight of the articles during the fall. How does this affect the experienced load?
Considering a scenario where the thief is wearing a wingsuit, allowing for a more gradual descent, what would be a reasonable assumption regarding the load experienced before impact?
Considering a scenario where the thief is wearing a wingsuit, allowing for a more gradual descent, what would be a reasonable assumption regarding the load experienced before impact?
Flashcards
Load experienced during free fall
Load experienced during free fall
Before the thief reaches the ground, he experiences a load equal to the weight (W) of the box he is carrying.
Study Notes
- A thief carrying a box of weight ( W ) jumps down a wall of height ( h ).
- The load experienced before reaching the ground is ( W ).
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