A Meterstick Is Supported by a Knife-Edge at the 50-Cm

question 1

Multiple Choice

A meterstick is supported by a knife-edge at the 50-cm mark.Doug hangs masses of 0.40 and 0.60 kg from the 35-cm and 80-cm marks,respectively.Where should Doug hang a third mass of 0.30 kg to keep the stick balanced?

• A) 20 cm
• B) 70 cm
• C) 30 cm
• D) 10 cm

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Definitions:

Monocyte

A type of white blood cell that is part of the immune response, involved in the removal of pathogens and dead or damaged cells from the blood.

Mono-

A prefix meaning single or one, used in various scientific and medical terminologies.

Thrombin

A blood plasma enzyme that initiates blood clotting by transforming fibrinogen into fibrin.

Thromboplastin

A plasma protein that catalyzes the conversion of prothrombin to thrombin, playing a crucial role in the blood clotting process.