In the example above, imagine that the sunlight, solar cell, and fan form a closed system and no heat is generated. in this situation, after 1,000 kilojoules of light energy enter the system, kilojoules of electric energy are transformed into kilojoules of kinetic energy.

1000 kilojoules of electrical energy gets transformed into 1000 kilojoules of kinetic energy.

both drop downs are 1000

Explanation:

in chemistry, adhesion and cohesion are attractive forces that exist between molecules. they hold the molecules together from each other. they are different in that adhesive force exists between molecules of different substance while cohesive force happens between molecules of same substance.

adhesion between water and glass causes water molecules at the edge of water and glass interface to climb up the wall in a narrow glass tube. this is called capillary action. cohesion is what gives glass its shape and causes water to form a droplet.