Physics Assessment C165 Integrated Physical Science
WGU Exam Questions and Answers 100% Pass
A car is moving forward and its brakes are being applied. Which of the following is true?
A. The car's velocity is forward, and its acceleration is forward.
B. The car's velocity is backward, and its ac...
Physics Assessment C165 Integrated Physical Science WGU Exam Questions and Answer s 100% Pass A car is moving forward and its brakes are being applied. Which of the following is true? A. The car's velocity is forward, and its acceleration is forward. B. The car's velocity is backward, and its acceleration is forward. C. The car's velocity is backward, and its acceleration is backward. D. The car's velocity is forward, and its acceleration is backward. - Answer - D. The car's velocity is forward, and its acceleration is backward. A car moves forward along a horizontal road in a straight line at constant speed. The net force on the car is _______. - Answer - zero You are pushing a file cabinet across a floor in a straight line at a constant speed. Which of the following can you correctly conclude about the forces acting on the file cabinet? A, If you were to exert twice as much force on the file cabinet, it would slide across the floor at twice its original speed. B. The force that you are exerting on the file cabinet is greater than the force that friction is exerting on it. C. The force that you are exerting on the file cabinet is greater than the force of friction with the cabinet's weight. D. The force that you are exerting on the file cabinet is equal and opposite to the force that friction is exerting on it. - Answer - D. The force that you are exerting on the file cabinet is equal and opposite to the force that friction is exerting on it. Inertia is an object's _______________________________________. - Answer - tendency to remain stationary or continue moving in the same way. The mass of an object measures _____________________________. - Answer - the amount of matter in an object. Which of the following is used to increase friction? A. spraying a lubricant onto a squeaky wheel B. scattering sand on icy roads C. waxing floors - Answer - B. scattering sand on icy roads The force that slows down a person falling is called __________________. - Answer - air resistance If the distance between two objects increases, the force of gravity between them _________________. - Answer - decreases A car decreases its speed from 40 miles per hour to 20 miles per hour. Its linear momentum _____________________. - Answer - is half as much In physics, work is ______________________________________________________________________
_________. - Answer - the energy transferred from one object to another via a force acting through a distance. Which of the following statements is correct? A. Potential energy is the energy of speed and kinetic energy is the energy stored in an object. B. Potential energy is the energy of mass and kinetic energy is the energy of gravity.
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