What classification of mechanical energy is stored within a compressed spring?
Show answer Hide answer
Answer: A. Elastic Potential Energy
Explanation
Elastic potential energy is the mechanical energy stored within materials as a result of temporary deformation. Compressing or stretching a spring alters its molecular bond distances, storing energy that can be released later. When the deforming force is removed, the stored elastic potential energy converts back into kinetic motion. Potential energy is the stored mechanical energy an object possesses due to its position or internal configuration. Hooke's law describes how the force exerted by an ideal spring is proportional to its distance of displacement. Mechanical energy conservation principles state that total kinetic and potential energy remains constant in ideal systems.
Kinetic energy is the energy of active motion possessed by a moving object rather than stored deformation energy. Potential energy is a broad classification that includes gravitational and electrical types alongside specific elastic energy. The option stating none of the above is incorrect because elastic potential energy precisely describes compressed springs.
- Subject
- Everyday Science
- Category
- Everyday Science
- Topic
- —
- Difficulty
- medium
Related questions
Q1. Into what alternative energy form is a projectile's kinetic energy transformed when it strikes and penetrates a target?
Show answer Hide answer
Answer: C. Both B&D
When a moving projectile impacts a solid target, its kinetic energy is rapidly dissipated. Friction and structural deformation convert much of that kinetic energy directly into thermal heat energy. The projectile also pe...
Q2. An abnormal, massive proliferation of white blood cells leads to what medical disorder?
Show answer Hide answer
Answer: B. Leukaemia
Leukaemia is a medical disorder characterized by an abnormal and massive proliferation of white blood cells. This rapid overproduction of immature cells occurs within the bone marrow and disrupts normal blood production....
Q3. On which region of the human body is the skin considered the most unclean or laden with microbes?
Show answer Hide answer
Answer: C. Face
Studies on skin microbiomes show that exposed areas like the face host microbes. Environmental exposure and skin secretions create diverse microbial habitats. Different regions of the body harbor distinct bacterial commu...
Q4. What physiological change occurs to human blood pressure during sleep_____________?
Show answer Hide answer
Answer: B. Decreases
During normal human sleep, the autonomic nervous system shifts toward parasympathetic dominance. This neurological adjustment causes both heart rate and arterial blood pressure to drop significantly. Cardiovascular resti...
Q5. Which specific optical lens is prescribed for correcting presbyopia?
Show answer Hide answer
Answer: C. Bifocal
Bifocal lenses are specifically prescribed by eye care professionals for correcting age related presbyopia. These specialized lenses feature two distinct optical areas to assist with both distance and near vision. The lo...
Q6. Where in the nervous system are intermediate (relay) neurons situated?
Show answer Hide answer
Answer: B. Brain
Intermediate neurons or interneurons are situated within the central nervous system. The central nervous system comprises both the brain and the spinal cord. These relay neurons connect sensory neurons to motor neurons i...