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HW Solutions-Week 2-4_In-video Questions.rtf
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Week 2 Lecture 4
Solutions at the bottom.
1) In-video quiz at timepoint 03:04.
Which Newton's law explains the ball obtains a larger acceleration when it is being kicked harder?
a) First law
b) Second law
c) Third law
d) None
Solutions:
1) Correct answer is b) Second law
The connection between acceleration of an object and the force exerted on it is stated in
Newton's Second Law: F = m*a. A larger force of F for a fixed object of mass m would
result in a larger acceleration, a.
If you would like to learn more about Newton's law, please refer
to http://teachertech.rice.edu/Participants/louviere/Newton/.
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