Читать книгу Physics I For Dummies - Steven Holzner - Страница 5

1 Chapter 2FIGURE 2-1: A labeled triangle that you can use to find trig values.

2 Chapter 3FIGURE 3-1: Examining displacement with a golf ball.FIGURE 3-2: A ball moving in two dimensions.FIGURE 3-3: A trip from Ohio to Michigan.FIGURE 3-4: Increasing velocity under constant acceleration.

3 Chapter 4FIGURE 4-1: A vector, represented by an arrow, has both a direction and a magni...FIGURE 4-2: Equal vectors have the same length and direction but may have diffe...FIGURE 4-3: Going from the tail of one vector to the head of a second gets you ...FIGURE 4-4: Take the sum of two vectors by creating a new vector.FIGURE 4-5: Subtracting two vectors by putting their feet together and drawing ...FIGURE 4-6: Use vector coordinates to make handling vectors easy.FIGURE 4-7: Breaking a vector into components allows you to add or subtract the...FIGURE 4-8: Using the angle created by a vector to get to a hotel.FIGURE 4-9: A baseball diamond is a series of vectors created by the x-axis and...FIGURE 4-10: You can use acceleration and change in time to find a change in ve...FIGURE 4-11: A golf ball about to roll off a cliff.FIGURE 4-12: A kicked soccer ball.

4 Chapter 5FIGURE 5-1: Accelerating a hockey puck.FIGURE 5-2: A ball in flight may face many forces that act on it.FIGURE 5-3: The net force vector factors in all forces to determine the ball’s ...FIGURE 5-4: A free-body diagram of all the forces acting on a football at one t...FIGURE 5-5: Equal forces acting on a car tire and the road during acceleration.FIGURE 5-6: Pulling a heavy puck with a rope to exert equal force on both ends.FIGURE 5-7: Using a pulley to exert force.FIGURE 5-8: Using a pulley at an angle to keep a mass stationary.FIGURE 5-9: Hanging a sign requires equilibrium from the involved forces.

5 Chapter 6FIGURE 6-1: Racing a cart down a ramp.FIGURE 6-2: The angle of the direction perpendicular to the ramp surface from t...FIGURE 6-3: The forces acting on a bar of gold.FIGURE 6-4: You must battle different types of force and friction to push an ob...FIGURE 6-5: All the forces acting on an object sliding down a ramp.FIGURE 6-6: Shooting a cannon at a particular angle with respect to the ground.

6 Chapter 7FIGURE 7-1: Velocity constantly changes direction when an object is in circular...FIGURE 7-2: A golf ball on a string traveling with constant speed.FIGURE 7-3: The forces acting on a car banking around a turn.FIGURE 7-4: A circular arc extends an angle of one radian.FIGURE 7-5: The force and velocity of a ball on a circular track.

7 Chapter 8FIGURE 8-1: A cube of water has different pressures on the top and bottom faces...FIGURE 8-2: A hydraulic system magnifies force.FIGURE 8-3: A raft in water.FIGURE 8-4: A streamline shows the directions of flow.FIGURE 8-5: A cube of fluid flowing through a pipe.

8 Chapter 9FIGURE 9-1: To do work on this gold ingot, you have to push with enough force t...FIGURE 9-2: More force is required to do the same amount of work if you pull at...FIGURE 9-3: You find the net force acting on an object to find its speed at the...FIGURE 9-4: Kinetic energy converted to potential energy and then back to kinet...

9 Chapter 10FIGURE 10-1: Examining force versus time gives you the impulse you apply on obj...FIGURE 10-2: The average force over a time interval depends on the values the f...FIGURE 10-3: Shooting a wooden block on a string allows you to experiment with ...FIGURE 10-4: Before, during, and after a collision between two balls moving in ...

10 Chapter 11FIGURE 11-1: A ball in circular motion has angular speed with respect to the ra...FIGURE 11-2: Angular velocity points in a direction perpendicular to the wheel.FIGURE 11-3: Angular acceleration in the same direction as the angular velocity...FIGURE 11-4: Angular acceleration in the direction opposite the angular velocit...FIGURE 11-5: Angular acceleration perpendicular to the angular velocity tilts t...FIGURE 11-6: A seesaw demonstrates torque in action.FIGURE 11-7: The torque you exert on a door depends on where you push it.FIGURE 11-8: You produce a useful angle of a lever arm by exerting force in the...FIGURE 11-9: A turning motion toward larger positive angles indicates a positiv...FIGURE 11-10: A schematic of the forces acting on Hercules’s arm.FIGURE 11-11: Hanging a heavy flag requires some serious torque.FIGURE 11-12: Keeping a ladder upright requires friction and rotational equilib...

11 Chapter 12FIGURE 12-1: A tangential force applied to a ball on a string.FIGURE 12-2: The shapes corresponding to the moments of inertia in Table 12-1.FIGURE 12-3: You use the torque you apply and the angular motion of the pulley ...FIGURE 12-4: Exerting a force to turn a tire.FIGURE 12-5: A solid cylinder and a hollow cylinder ready to race down a ramp.

12 Chapter 13FIGURE 13-1: The direction of force exerted by a spring.FIGURE 13-2: A ball on a spring, influenced by gravity.FIGURE 13-3: Tracking a ball’s simple harmonic motion over time.FIGURE 13-4: The vertical component of the displacement of an object moving in ...FIGURE 13-5: A reference circle helps you analyze simple harmonic motion.FIGURE 13-6: A pendulum moves in simple harmonic motion.

13 Chapter 14FIGURE 14-1: Linear expansion usually takes place when you apply heat to solids...FIGURE 14-2: Phase changes of water.

14 Chapter 15FIGURE 15-1: You can see convection in action by boiling a pot of water.FIGURE 15-2: Conduction heats the pot that holds the boiling water.FIGURE 15-3: Conducting heat in a bar of steel.FIGURE 15-4: An incandescent light bulb radiates heat into its environment.

15 Chapter 16FIGURE 16-1: For an ideal gas, pressure is directly proportional to temperature...

16 Chapter 17FIGURE 17-1: An isobaric system may feature a change in volume, but the pressur...FIGURE 17-2: Pressure and volume in an isobaric system.FIGURE 17-3: An isochoric system features a constant volume as other quantities...FIGURE 17-4: Because volume is constant in an isochoric process, no work is don...FIGURE 17-5: An isothermal system maintains a constant temperature amidst other...FIGURE 17-6: The area under the curve shows the work done in an isothermal proc...FIGURE 17-7: An adiabatic system doesn’t allow heat to escape or enter.FIGURE 17-8: An adiabatic graph of pressure versus volume.FIGURE 17-9: A heat engine turns heat into work.