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PIMSO 2023 - Science - Primary 2 - National Round Question 15

PIMSO Science · PIMSO 2023 - Science - Primary 2 - National Round

Question 15

Because of climate change, many cities are pushing for alternative modes of transportation. Instead of busses and cars which contribute to greenhouse gasses, many choose to go to work or school on bicycles. For this, urban areas should have bicycle lanes for the safety of bicycle users. A bicycle contains what kind of simple machine?

Question illustration

Question illustration

Judgefloro, Own work, Public Domain, https://commons.wikimedia.org/w/index.php?curid=50376597; Ralff Nestor S. Nacor, Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=99765507

A. inclined plane
B. pulley
C. wheel and axel
D. lever
E. wedge

Editorial review: discuss the scientific issue and whether the source choices support one answer.