Question

what is force and what is lens ​

Answer 1

Force is a push or a pull that changes or tends to change the state of rest or uniform motion of an object or changes the direction or shape of an object.

Answer 2

Answer:

Force is an effect of push or pull by which a body changes the state of motion or direction of motion

where as lens is a binacular glass which is used to magnify the image higher in size or it is used to observe the image laterally inverted. (properly known as lateral inversion of the image).