Amachine: a- makes work easier to do

b- changes the size of the force needed

c- can change the direction or distance of the force

d- all above

A machine can do all the things that is stated above.

Option D

Explanation:

A machine is a device used to reduce the efforts put by human and to make our life easier so that we can spend our time and energy on some other useful things productively.

Machine reduces the force put by humans and alternatively plans and manages to equilaise the force required. It is also capable of changing the direction or the distance required by the force in a machine.

answer: a ball

explanation: because it will bounce

answer: its c lololo