**Passage** For decades, physicists believed that the gyroscopic effect—the force generated by spinning wheels—was the primary mechanism keeping a moving bicycle [1] ** upright. Consequently, ** researchers have recently constructed experimental bicycles with counter-rotating wheels that cancel

**Passage** For decades, physicists believed that the gyroscopic effect—the force generate… — ACT

Passage

For decades, physicists believed that the gyroscopic effect—the force generated by spinning wheels—was the primary mechanism keeping a moving bicycle [1] <u>upright. Consequently,</u> researchers have recently constructed experimental bicycles with counter-rotating wheels that cancel out these gyroscopic forces, yet these bicycles remain perfectly stable.

Question 1
Which of the following choices most effectively establishes the logical relationship between the two sentences?

A
upright. Consequently,
upright. However,Answer
C
upright, however,
D
upright. Furthermore,

Answer

upright. However,

The correct option, which uses the transition 'However,' properly establishes a contrast between the long-held belief that gyroscopic forces keep bicycles upright and the recent discovery that bicycles without these forces remain stable. Separating the two independent clauses with a period before the transition is grammatically correct.

Step-by-Step Solution

Analyze the logical relationship between the two sentences separated by the transition.

The first sentence states a long-held belief (that gyroscopic effects keep bicycles upright). The second sentence describes an experiment that challenges this belief (bicycles with canceled gyroscopic forces remain stable). This indicates a contrasting relationship.

Identifying the correct logical connection is necessary to choose the appropriate transition category.

Evaluate the transition options based on the identified relationship.

'Consequently' (cause-effect) and 'Furthermore' (addition) are incorrect. 'However' (contrast) correctly signals the shift in perspective.

Eliminating options that present incorrect logical relationships narrows down the choices.

Check the punctuation of the remaining options to ensure grammatical correctness.

The option containing a period before 'However' is correct because it separates two independent clauses. Joining them with a comma and 'however' creates a comma splice.

Ensuring the chosen transition follows proper sentence structure rules prevents punctuation errors.

Key Concept

Sentence-Level Transitions

Estimated Time:1m 0s

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