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Centripetal force

Midterm Physics Exam

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Physics
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Physics
Classical mechanics
Rotation
kinematics
motion
Force
Acceleration
Centripetal force
Terminal velocity
G-force
Drag
Mass

Name __________________________ Mr. Carcich Physics Practice Mid-term Exam (2) Multiple Choice: 1) The first two parts of the scientific method are a. observation and question b. question and hypothesis c. theory and conclusion d. hypothesis and experiment 2) A logical and time-tested explanation of a phenomenon that occurs in the natural world is a. observation b. natural law c. theory d. hypothesis 3) The measure of how fast something is moving is defined as a. velocity b. speed c. acceleration d. free fall 4) Which of the following is not a valid unit of speed a. km/h b. centimeters per day c. light years per century d. joules per decade 5) Speed in a given direction is defined as

Circular Motion Questions

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Physics
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Physics
Rotation
Force
Classical mechanics
Mechanics
Physical quantities
Fictitious force
Centrifugal force
Acceleration
Centripetal force
Pendulum
Circular motion

Name ____________________ Date ___________?Mr. Carcich Physics 2D Motion Short Answers 1) Distinguish between rotation and revolution. Using the earth, provide an example of each. 2) Distinguish between rotational and tangential speed. What is their relationship? 3) If you are on the center of a merry-go-round, and you walk toward the outer edge, how does your rotational speed change? Your tangential speed? 4) When you whirl a can at the end of a string in a circular path, what is the direction of the force that acts on the can? 5) Does an object undergoing uniform circular motion accelerate? Why? 6) When a car makes a turn, do seat belts provide you with a centripetal force or centrifugal force?

Physics

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Physics
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Physics
Rotation
Classical mechanics
Celestial mechanics
Physical quantities
kinematics
Rotation around a fixed axis
Acceleration
Angular acceleration
Circular orbit
Centripetal force
Orbit

Chapter 7 ? Rotational Motion and the Law of Gravity This chapter deals with rotational kinematics ? the relationships between rotational position, velocity, acceleration and time. Rotational dynamics will be discussed in the next chapter. Dynamics deals with energy, momentum, and forces. Universal gravitation is also discussed in this chapter in part since satellite and planetary motion involves rotation. Angular displacement, velocity, and acceleration Angle (() can be defined in terms of radius (r) and arc length (s) on a circle as

Motion in Two Dimensions

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Physics
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Physics
Classical mechanics
Rotation
Mechanics
Force
Celestial mechanics
Rotation around a fixed axis
Centripetal force
Acceleration
Banked turn
Circular motion
Uniform circular motion

Chapter 7 Problems 1, 2, 3 = straightforward, intermediate, challenging = full solution available in Student Solutions Manual/Study Guide = co ached solution with hints available at www.cp7e.com = biomedical application Section 7.1 Angular Speed and Angular Acceleration 1. The tires on a new compact car have a diameter of 2.0 ft and are warranted for 60 000 miles. (a) Determine the angle (in radians) through which one of these tires will rotate during the warranty period. (b) How many revolutions of the tire are equivalent to your answer in (a)? 2. A wheel has a radius of 4.1 m. How far (path length) does a point on the circumference travel if the wheel is rotated through angles of 30?, 30 rad, and 30 rev, respectively?
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