Asked by physics
Physics Question
Two toy ducks, attached to each other by a
string, are being pulled by a very happy guy
who just got them as a graduation present
(Fig. 4.31). The front duck is 5.0 kg and the
back duck is 2.0 kg. If the happy guy pulls
them with a force of 10 N and there is no
friction, calculate
a) the acceleration of both ducks.
chapter 4: Newton’s Fundamental Laws 147
b) the tension in the string connecting duck 1
and duck 2.
Two toy ducks, attached to each other by a
string, are being pulled by a very happy guy
who just got them as a graduation present
(Fig. 4.31). The front duck is 5.0 kg and the
back duck is 2.0 kg. If the happy guy pulls
them with a force of 10 N and there is no
friction, calculate
a) the acceleration of both ducks.
chapter 4: Newton’s Fundamental Laws 147
b) the tension in the string connecting duck 1
and duck 2.
Answers
Answered by
Scott
f = m a ... twice
both ... 10 = (5.0 + 2.0) * a
tension ... t = 2.0 * a ... a from 1st calculation
both ... 10 = (5.0 + 2.0) * a
tension ... t = 2.0 * a ... a from 1st calculation
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