centripetal force如何读 英:[senˈtrɪpɪtl fɔ:s] 美:[sɛnˈtrɪpɪtl fɔrs] centripetal force是什么意思 n. 向心力; centripetal force英英释义 noun the force that is necessary to keep an object moving in a curved path and that is directed inward toward the center of ...
the vector for centripetal force always points towards the center and gravity points down, so add the vectors appropriately Nov 3, 2012 #5 Nickie 1,822 1 First, let's clarify some terminology. The term "apparent weight" refers to the force that a person feels due to the normal force ...
The centripetal force points to the Sun, which changes the direction of Earth's velocity and results in an elliptical motion. What is the relationship between centripetal force and mass? The centripetal force is proportional to the mass. Doubling the mass doubles the centripetal force. Similarly,...
Just like all points on the hand of a clock experience different velocities(higher as you go farther out from the center) but the same centripetal force. But my problem is that I know that the force of gravity MUST decrease with an increasing distance, so is the force of gravity something...
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05.5.向心力 向心加速度(05.5. centripetal centripetal acceleration) centripetal force I. teaching objectives 1. aspects of physical knowledge: (1) it is understood that uniform circular motion is variable speed motion; (2) grasp the physical meaning of the linear velocity, angular velocity, period...
We analyzed walking speed, stance duration as a percent of gait cycle (%GC), the vertical component of the ground reaction force (vGRF) of both feet during the entire stance, and trunk inclination. Results Gait speed was faster during LIN than curved walking, but not affected by the ...
The comparison shows the centripetal tendency of the complements.(比较之后,可以看出补语演变过程中的向心趋势。) r and therefore, you require centripetal acceleration towards the center-- that is non-negotiable.(所以你需要,This,v,equals,omega,rv=ω,向心加速度,依然毫无商量余地。) The happy blood...
After the structure is adopted, when the bearing is worn, the outer ring bodies are screwed in towards the middle parts, so that bearing windages are eliminated, and the bearing abrasion loss is compensated; and furthermore, the bearing rotates under a certain shaking moment, so that the ...
Centripetal acceleration is the force that causes an object to move in a circular path, while centrifugal force is the apparent force that pushes an object away from the center of the circle. Centrifugal force is actually a result of inertia, and does not exist as a true force. ...