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A device that makes used of the elastic property of a spring is the:

Calorimeter.

Thermometer.

Newtonmeter.

Voltammeter.

Which of the following is the correct statement of Hooke's Law?

The force required to compress a spring is proportional to the displacement.

The force required to stretch a spring is inversely proportional to the displacement of the spring.

The force required to stretch a spring is proportional to the displacement of the spring.

The force required to stretch a spring is independent of the displacement.

A spring with a spring constant of 50 N/m is stretched by 0.4 m. What is the force required to stretch the spring?

200 N.

25 N.

50 N.

20 N.

Which of the following devices works based on Hooke's Law?

Spring scale.

Windmill.

Pendulum.

Electric motor.

Hooke’s Law applies to which type of materials?

Only gases.

Only liquids.

Materials within their elastic limits.

All materials.