9. If two forces act on an object in the same direction, the net force is the a. difference of the two forces. b. sum of the two forces. c. only one of the forces acts on the object. d. neither force can affect the object. 11. An object remains at rest or remains in constant motion unless it is subject by an unbalanced force; this statement refers to a. Newton's second law b. Newton's first law c. Newton's third law 10. What two parts do all electromagnets have? a. A coil of wire and a source of electric current such as a battery b. A coil of wire and a piece of paper c. A battery and a needle d. A battery and a piece of plastic 12. A car is at rest due to balanced forces. What is this an example of? a. Newton's Second Law b. Newton's First Law c. Newton's Third Law d. Gravitational Law
9. If two forces act on an object in the same direction, the net force is the a. difference of the two forces. b. sum of the two forces. c. only one of the forces acts on the object. d. neither force can affect the object. 11. An object remains at rest or remains in constant motion unless it is subject by an unbalanced force; this statement refers to a. Newton's second law b. Newton's first law c. Newton's third law 10. What two parts do all electromagnets have? a. A coil of wire and a source of electric current such as a battery b. A coil of wire and a piece of paper c. A battery and a needle d. A battery and a piece of plastic 12. A car is at rest due to balanced forces. What is this an example of? a. Newton's Second Law b. Newton's First Law c. Newton's Third Law d. Gravitational Law
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter5: Newton's Law Of Motion
Section: Chapter Questions
Problem 23P: While sliding a couch across a floor, Andrea and Jennifer exert forces FA and FJ on the couch....
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