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Understanding Inertia

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Questions and Answers

What is the purpose of runaway lanes or emergency escape ramps on downhill roads?

To enable drivers to avoid traffic congestion

To create a scenic route for tourists

To allow 18-wheelers to slow down safely in icy weather (correct)

To provide a shortcut for small vehicles

Why do 18-wheelers have trouble stopping on icy roads?

Because their brakes are faulty

Due to lack of traction with the road (correct)

Because of their large size

Because they are too heavy

What happens to the driver's body in a crash if they hit a barrier?

It continues to move forward

It is ejected from the vehicle (correct)

It comes to a complete stop

It stays in motion

What is the effect of exceeding the structural integrity of an oscillating object's components?

It breaks apart (B) Signup and view all the answers

What is the relationship between an object's mass and its resistance to change in motion?

Mass increases resistance to change (A) Signup and view all the answers

Why are runaway lanes more effective than barriers?

Barriers can cause more harm to drivers (A) Signup and view all the answers

What is an example of an oscillating object?

A rotating wheel (D) Signup and view all the answers

What can happen if an oscillating object exceeds its structural integrity?

Its components break apart (B) Signup and view all the answers

Why are runaway lanes particularly important in icy weather?

Because trucks can lose traction on icy roads (B) Signup and view all the answers

What is the relationship between the speed of an oscillating object and its structural integrity?

Faster speeds weaken the object (D) Signup and view all the answers