� � CALIFORNIA STANDARDS TEST Released Test Questions Physics � 12 A 10-newton force and a 15-newton force are acting from a single point in opposite directions. What additional force must be added to produce equilibrium? A 5 N acting in the same direction as the 10-N force B 5 N acting in the same direction as the 15-N force C 10 N acting in the same direction as the 10-N force D 25 N acting in the same direction as the 15-N force �13 A student holds a book at rest in an outstretched hand. The force exerted on the book by the student is equal to the book’s A mass.±B weight.±C volume.±D density.±CSP00141 14 The graph below shows the velocity of a car that is moving in a straight line. Velocity (m/s) During which of the following intervals are forces on the car balanced? A q to r±B r to s±C s to t±D t to u±CSP10121 15 20kgFriction Pull 10N±50N±The figure shows a block that is being pulled along the floor. According to the figure, what is the acceleration of the block? m A 2 s 2 m B 3 s 2 m C 4 s 2 m D 6 s 2 CSP00137 — 12 —± This is a sample of California Standards Test questions. This is NOT an operational test form. Test scores cannot be projected based on performance on released test questions. Copyright © 2009 California Department of Education.
� � � � CALIFORNIA STANDARDS TEST Released Test Questions Physics 16 A 50-kg child on a skateboard experiences a 75-N force as shown. F = 75 What is the expected acceleration of the child? N CSP10450 17 A soccer player kicks a 0.5-kilogram stationary ball with a force of 50 newtons. What is the force on the player’s foot? A 0 N±B 25 N±C 50 N±D 100 N±CSP00188 18 A student in a lab experiment jumps upward off a common bathroom scale as the lab partner records the scale reading. 1 What does the lab partner observe during the instant the student pushes off? 2
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