Question

pre - exploration
3.03 assessment: which is the most important for for for engineers to measure when determining how protective gear (like helmets) can keep athletes safe during a collision?
a. the number of players who wear that gear
b. the cost of materials needed for the gear
c. the forces acting on objects during a collision
d. area of the body affected after a collision
explain your answer. what could this information tell engineers?

Explanation:

When engineers want to know how protective gear (like helmets) keeps athletes safe during a collision, they need to understand the forces acting on the athlete's body. The number of players using the gear (option a) doesn't directly relate to its protective ability. The cost of materials (option b) is about production cost, not protection. The area of the body affected (option d) is somewhat related but not as fundamental as understanding forces. Force - related information (option c) is crucial. According to Newton's laws, forces cause changes in motion. By measuring forces during a collision, engineers can design gear that can absorb or distribute these forces to minimize harm. For example, if a helmet can reduce the force exerted on the head during a collision, it can prevent or reduce head injuries.

Answer:

c. The forces acting on athletes during a collision. This information can tell engineers how much force the gear needs to withstand or reduce. They can then design the gear (e.g., choose appropriate materials, design shock - absorbing structures) to make it more protective by effectively managing these forces.