Question 31

A parachute attains a terminal velocity when

A.Its density is equal to the density of air
B.the viscous force of the air and the upthrust completely counteract its weight
C.it expands as a result of reduced external pressure
D.The viscous force of the air is equal to the sum of the weight and upthrust

Objective

Question details

Exam body: NDA
Subject: Physics
Year: 2010/2011
Question no.: #31
Type: Objective

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