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  1. Floor loading, although is expressed in force (in kgf or in lbf) per...or square feet), is calculated from the total thrust that the floor slab as a whole that could support without causing structural damage. Thus...

  2. ...top of the room. When the air-conditioner is installed near the floor , the cool air will stay near the floor and the warm air will stay near the top. In...

  3. The floor is good conductor while the air is insulator. When your...touch the floor , heat energy transfers from your feet to the floor . As heat energy losses from your body , you feel cool .

  4. ... Bernoulli's equation to the first floor and the basement, (Pb) + pg(Hb) + (1/2).(p)(vb...2.5 m below ground level] Consider the 1st floor and 2nd floor , apply Bernoulli's equation again...

  5. 放在斜板上的木塊也會施加一個weight on 地下, 所以 floor 所感受到的力其實是wedge 和 block 的weight 的總和...=0)。刪掉[Friction 並沒有作用在 floor 上] 木塊與wedge之間也有frcition,這個frction 不計算在內...

  6. ...of all, when to egg hits either a bed sheet of the floor , it is brought to an deceleration which may eventually...not break. However, when the egg hits the floor , since the floor is hard and rigid and does not...

  7. Area of contact of each leg on the floor = pi.(4/2)^2 cm^2 = 12.566 cm^2 where pi = 3.14159.... Total area of contact...

  8. ...v= sqrt( 2as ) (sqrt =square root ) Let the height of the second floor = d , the seventh floor = 3.5d Consider when the rock is...

  9. ...04-10 14:51:30 補充: Let h be height of each storeyheight of second floor = 2h, height of seventh floor = 7hv^2 - u^2 = 2as, for second floor , u...

  10. ...be: What's the horizontal resultant force on the wedge? (Since the floor is horizontal, its normal reaction is vertical in direction and hence...