Weekly Weather Report for Luzern, Switzerland. Looking at the weather in Luzern, Switzerland over the next 7 days, the maximum temperature will be 23â (or 73â) on Sunday 9th April at around 1 pm. In the same week the minimum temperature will be -2â (or 28â) on Friday 7th April at around 4 am.
The forces at work in buoyancy. Note that the object is floating because the upward force of buoyancy is equal to the downward force of gravity. In science, buoyancy ( /ËbÉÉª.Énsi, -Éntsi/ or /ËbuËjÉnsi, -jÉntsi/;) or upthrust, is an upward force exerted by a fluid that opposes the weight of an immersed object.
Buoyancy Compensators. The buoyancy compensator device or BCD for short, is primarily used to help the diver maintain neutral buoyancy underwater during the scuba dive. The secondary function of the BCD is to float the diver and equipment on the surface allowing the diver to rest at the surface and perform surface swims to dive sites.