A worker uses a 200cm lever to move a 200kg barrel. If the fulcrum is placed 50cm from the barrel, find the mechanical advantage of the lever. Given g=10N/kg​

Select the correct answer from each drop-down menu. compared to its surroundings, the concentration of solutes is low inside a cell. so, the cell is with respect to its surroundings. a particular solute in this cell uses energy for its transport from the cell to its surroundings. this type of transport is called

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?

Atomic nuclei of almost all elements consist of