Metal Lids on Glass Jars Can Often Be Loosened by Running

question 76

Multiple Choice

Metal lids on glass jars can often be loosened by running them under hot water.Why is this?

• A)The hot water is a lubricant.
• B)The metal and glass expand due to the heating,and the glass being of smaller radius expands less than the metal.
• C)The metal has a higher coefficient of thermal expansion than glass so the metal expands more than the glass thus loosening the connection.
• D)This is just folklore.

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Definitions:

Muscle Fibers

The cells of muscles that contract to produce movement, classified into types such as slow-twitch and fast-twitch based on their properties.

Sensory Receptors

Specialized cells or neuronal structures that respond to external stimuli such as light, touch, sound, or chemicals, and convert them into neural signals.

Vestibular Sense

Refers to the body's sensory system that contributes to balance and spatial orientation.

Kinesthetic Sense

The sense that detects body position, movement, and the sense of muscle tension, aiding in physical coordination.