A student in hot air balloon ascends vertically at a constant speed. Consider the four forces in this situation: Fl= the weight of the balloon F2= the weight of the student F3= the force of the student pulling on the earth F4= the support force of the hot air balloon on the student 11. Which of the two forces form an "action-reaction" pair that obeys Newton's third law? a. Fl and F2 12. Is the hot air balloon can be considered as an inertial reference frame? b. F2 and F3 c. F2 and F4 d. Fl and F3 a. Yes, because the hot air balloon ascends at a constant speed b. No, because the hot air balloon does not accelerate c. More information needed.
A student in hot air balloon ascends vertically at a constant speed. Consider the four forces in this situation: Fl= the weight of the balloon F2= the weight of the student F3= the force of the student pulling on the earth F4= the support force of the hot air balloon on the student 11. Which of the two forces form an "action-reaction" pair that obeys Newton's third law? a. Fl and F2 12. Is the hot air balloon can be considered as an inertial reference frame? b. F2 and F3 c. F2 and F4 d. Fl and F3 a. Yes, because the hot air balloon ascends at a constant speed b. No, because the hot air balloon does not accelerate c. More information needed.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:A student in hot air balloon ascends vertically at a constant speed. Consider the four forces in this
situation:
Fl= the weight of the balloon
F2= the weight of the student
F3= the force of the student pulling on the earth
F4= the support force of the hot air balloon on the student
11. Which of the two forces form an "action-reaction" pair that obeys Newton's third law?
a. Fl and F2
12. Is the hot air balloon can be considered as an inertial reference frame?
a. Yes, because the hot air balloon ascends at a constant speed
b. No, because the hot air balloon does not accelerate
b. F2 and F3 c. F2 and F4 d. Fl and F3
c. More information needed.
A book is resting on the surface of a table. Consider the four forces in this situation:
Fl=the force of the earth pulling on the book
F2=the force of the table pushing on the book
F3=the force of the book pushing on the table
F4=the force of the book pulling on the earth
13. Which of the two forces form an "action-reaction" pair that obeys Newton's third law?
a. Fl and F2
b. F2 and F3 c. F2 and F4 d. Fl and F3
14. A 60 kg astronaut pushes to the left on a 1.0x104 kg - massive spacecraft with force Fin a
"gravity-free" space. During the push, the astronaut accelerates to the right. Which of the
following statement is true?
a. The spacecraft does not move, but the astronaut moves to the right with a constant speed.
b. The astronaut stops moving after he stops pushing on the spacecraft
c. The force exerted on the spacecraft is larger than the force exerted by the astronaut
d. The force exerted on the astronaut is larger than the force exerted by the spacecraft
e. The velocity of the astronaut increases while he is pushing on the spacecraft.
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