Physics Quiz Answer Key PDF
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Uploaded by WarmNash
Broward College
2022
Answer Key
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Summary
This is a physics quiz answer key including questions and answers on topics such as molecules, energy, and mechanical stress. The quiz seems to cover concepts frequently found in secondary school physics courses.
Full Transcript
Answer Key Name: ____________________________ Physics Quiz 08/30/22 Date ______________________ MOLECULE 1) When atoms bond together they form a(n) _________________ ELECTRON 2) The hydrogen atom is the simplest form of an atom will have only one _________________ and PROTON one __________________ A...
Answer Key Name: ____________________________ Physics Quiz 08/30/22 Date ______________________ MOLECULE 1) When atoms bond together they form a(n) _________________ ELECTRON 2) The hydrogen atom is the simplest form of an atom will have only one _________________ and PROTON one __________________ AIR 3) The specific gravity of gases is measured using ______________________ as the reference. HYDROMETERS 4) The specific gravity of liquids is measured using ______________________ as the reference. WORK 5) Energy is the capacity of an object or a body to perform __________________________ POTENTIAL KINETIC 6) Energy may be classified as _________________________ or _________________________ 7) If the drive gear has 100 teeth and the driven gear has 400 teeth, the driven gear will turn 50 __________________________revolutions when the drive gear turns 200 revolutions. 100/400=1/4=.25.25X200=50 Name: ____________________________ Physics Quiz Date ______________________ 8) Name the five types of stress found in mechanical bodies. TENSION BENDING a.____________________________________ b.__________________________________ COMPRESSION SHEAR c.___________________________________ d. ___________________________________ TORSION e. ____________________________________ COMPRESSION 9) In flight, the top skin of a metal wing is subjected to which stress? ____________________ 10) Find the force B required to balance this lever: A = 10 pounds b =12 inches a =6 inches 5 B _______ pound(s) SECOND 11) This is a __________________________________________ class lever Name: ____________________________ Physics Quiz Date ______________________ 12) The device used for measuring the specific gravity of liquids is known as a HYDROMETER ________________________ MATTER 13) Solid, liquid, and gas are three physical states of _______________________ POTENTIAL 14) Energy stored in a stretched spring is an example of ____________________energy. TORQUE 15) A force that tends to cause rotation about a point is called a _______________. 16) A mechanical advantage of 8 tells us that for every 1 pound of force applied we will be able to 8 move _______ pounds of resistance. FOOT POUNDS 17) In the English system of measurement, work is expressed in ___________ 18) What are the three groups of potential energy? ELASTIC a. _______________________ GRAVITATIONAL b. _______________________ CHEMICAL c. _______________________ 19) Newton's Second Law of Motion explains how an object will change velocity when acted on by F=MxA an outside force. It is commonly expressed by the formula _______________________. Magnitude 20) A vector is an expression of velocity and has both a _____________________and Direction ____________________.
