《大学物理》英文课件5 Force and MotionI.ppt,?大学物理?英文课件5 Force and Motion-I What Causes an Acceleration ? The change in velocity must be due to an interaction. Force: an interaction that can cause an acceleration Newtonian mechanics: the study of
NEWTON’S LAWS OF MOTION - Established the relationship between motion and force FIRST LAW – LAW OF INERTIA Every object tends to remain at rest or move with a constant velocity unless acted upon by a net force. NET FORCE – summation of all forces acting on a given body INERTIA – meas...
FOCUS QUESTION(S) Explain how force affects the motion of an object. 2. Distinguish between contact forces and field forces. A Chair is pushed forward with a force of 185N. The gravitational force of the earth on the chair is 155N downward, and the floor exerts a force of 155N upward ...
CPOScience FoundationsofPhysics Chapter9Chapter9 8.1MotioninCircles 8.2CentripetalForce 8.3UniversalGravitationandOrbital Motion Chapter8UsingVectors:ForcesandMotion 1.Calculateangularspeedinradianspersecond. 2.Calculatelinearspeedfromangularspeedand vice-versa. 3.Describeandcalculatecentripetalforcesand accelerations....
:环绕结构表面以及SR 的fluid体积 - 更高的精度 - Horizontal force/moment only只求解垂直方向的力/力矩 - 只能求解单个结构(或是不考虑结构之间的交互作用情况下的多体) AQWA-LINE介绍 2阶平均慢漂力计算 近场求解( pressure/motion integration method ) WL: 结构表面的平均吃水 S0 : 平均湿表面 - 可以求...
force??D. energy?? replace vt.取代;替换;代替;把……放回原处 replace A with/by B 以B代替/替换A replace sth. =take the place of sth. 代替…… When all those wood bricks(砖形块) of the ship had been replaced,should the ship be the original(原来的) One? Every 7 years, our ...
foot out, at the same time in front of the ball; the 2nd step the left foot out, ball in hand and body around 90 degrees; 3rd step by step forward right foot out, ball position to the back of; the 4th step left foot slid out and sent the ball from the hands of light force. ...
FORCE-STRESSand DEFORMATION-STRAIN P2P1 Forabodyinequilibrium(notinmotion)subjectedtosomeexternalforcesPi,thereareinternalforcesdevelopedwithinthebody.P1,P2...:Externalforces P3 P4 F:Internalforces Internalforcescanbeshownonanimaginarycutsection.P4P3 P2P1 P3 P4 P4P3 Sincethebodywasinitiallyin...
1-Activeassistedexercise:Inwhichassistanceisprovidedbyanoutsideforce,eithermanualormechanicalwhenmusclestrengthisinadequatetocompletethemotion.2-Activefreeexercise:Inwhichthevoluntarycontraction ofthemusclecanperformfullROMagainstgravity.3-Activeresistedexercise:Inwhichthevoluntary contractionofthemuscleisresistedbyanout...
10、d see your fantasies take flight.Supplementary ReadingAfter ReadingDetailed ReadingGlobal ReadingDetailed ReadingBefore ReadingUnit 4 Imagination and Creativityscore24 You have a very active imagination. It is a powerful force within you, but be careful to keep it somewhat in check to avoid becom...