Chaptor 9.2 Part 2

Question 1

What is the elastic force?

Answer 1

The force acting on a stretched or compressed elastic object to return it to its original shape

Elastic force resists changes in shape by exerting a force in the opposite direction.

Question 2

How does an elastic material respond when stretched or compressed?

Answer 2

It resists the change in shape by exerting a force in the opposite direction

This force is known as elastic force.

Question 3

What type of ropes do climbers use?

Answer 3

Ropes that can stretch and exert elastic force

These ropes are designed to absorb impact during falls.

Question 4

What happens to the rope when a climber falls?

Answer 4

The rope stretches and exerts elastic force

This helps to reduce the impact felt by the climber.

Question 5

Fill in the blank: When an elastic material is ______, it exerts a force to return to its original shape.

Answer 5

[stretched or compressed]

Question 6

True or False: Elastic force only acts on static objects.

Answer 6

False

Elastic force is relevant in dynamic situations, such as climbing.