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Q 1/10
Score 0
In the design of modern automotive safety features like crumple zones and airbags, how does the physics principle of impulse contribute to reducing passenger injury during a collision?
30
By increasing the change in momentum to ensure the vehicle stops completely.
By increasing the time interval over which the change in momentum occurs, thereby decreasing the average force applied to the passenger.
By converting all kinetic energy into potential energy before the force reaches the passenger cabin.
By decreasing the time of impact to ensure the passenger stops as quickly as possible.
Q 2/10
Score 0
An athlete is taught to bend their knees when landing from a high jump. Which statement best explains this safety technique using the principles of physics?
30
Bending the knees increases the duration of the impact, which reduces the magnitude of the force exerted on the legs.
Bending the knees prevents any change in momentum from occurring during the landing.
Bending the knees increases the impulse applied to the body, making the stop more efficient.
Bending the knees decreases the total change in momentum required to come to a stop.
10 questions
Q.
In the design of modern automotive safety features like crumple zones and airbags, how does the physics principle of impulse contribute to reducing passenger injury during a collision?
1
30 sec
Q.
An athlete is taught to bend their knees when landing from a high jump. Which statement best explains this safety technique using the principles of physics?
2
30 sec
Q.
Safety helmets are lined with thick foam padding to protect the head during an impact. Which of the following best describes the physics behind this safety feature?
3
30 sec
Q.
In terms of momentum and safety, why is it safer for a car to hit a haystack than a concrete wall if the car is traveling at the same initial speed?
4
30 sec
Q.
When a person catches a fast-moving baseball, they often pull their hands backward during the catch. How does this action contribute to their safety and health?
5
30 sec
Q.
Which of the following describes how physics principles are applied to the design of safety nets used by circus performers or firefighters?
6
30 sec
Q.
Which of the following statements correctly explains how the physical relationship between force and impulse is utilized in the installation of rubberized playground flooring?
7
30 sec
Q.
In a road safety context, why are 'water-filled barrels' or 'sand-filled plastic containers' placed in front of highway dividers?
