Who discovered that the velocity of falling objects is completely independent of their weight in a vacuum? MCQ with Answer and Explanation

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Who discovered that the velocity of falling objects is completely independent of their weight in a vacuum?

A. Galileo Galilei

B. Isaac Newton

C. Johannes Kepler

D. Aristotle

Answer: Option A

Solution (By JKSSB Mock Tests)

Galileo mathematically disproved Aristotle's weight-proportional velocity model via rigorous acceleration measurements down inclined tracks.

This question belongs to: Static General Knowledge Inventions and Discoveries

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Question #1

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The invention of the standard mechanical typewriter carbon paper mechanism to replicate text was patented by whom?

A. Christopher Sholes

B. Pellegrino Turri

C. John Loud

D. Walter Hunt

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Correct Answer: Option B

Explanation:
Pellegrino Turri developed early carbon pigment transfer papers in 1806 to functionalize his experimental typing machines.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

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Who discovered the law of buoyant force acting on a submerged object?

A. Daniel Bernoulli

B. Archimedes

C. Blaise Pascal

D. Isaac Newton

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Correct Answer: Option B

Explanation:
Archimedes of Syracuse formulated the principle of buoyancy, known as Archimedes' Principle.

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Question #3

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The invention of the common domestic non-stick cookware surface pan coating was developed using which material?

A. Bakelite

B. Nylon

C. Kevlar

D. PTFE (Teflon) by Marc Grégoire

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Correct Answer: Option D

Explanation:
French engineer Marc Grégoire developed the process to bond Teflon to aluminum pan matrices, founding the Tefal brand.

This question belongs to: Static General Knowledge Inventions and Discoveries

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