QUIZ 1. What statement is true of the concept of force? a. It has a direction but no magnitude b. It has a magnitude but no direction c. It is a scalar quantity d. It has a magnitude and direction Answer: d. Force is a vector in that it has a magnitude and a direction. It can be added to displacement, velocity, and acceleration as one of the vector quantities in nature. 2. What can be said of a standard force? a. It is a force that applies to different force situations. b. It is a reproducible force. c. It does not apply to things such as magnetism. d. It is an external force applied to an object. Answer: b. A standard force is a reproducible force that applies to a specific situation. A spring or rubber band will have a certain standard force called the restoring force and the forces seen in magnetism are also standard forces. These are not applied externally to an object. 3. In describing a Newton in relationship to the pound, what is the pound equivalent of one Newton? a. 1.2 pounds b. 0.225 pounds c. 0.62 pounds d. 2.85 pounds Answer: b. While the Newton or the pound can be used to define force, you need to know that one Newton is the equivalent of 0.225 pounds.
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