As per Newton's II law we know that

here we know that

so here we will have

so here if we need to increase the acceleration we need to increase the applied force while on increasing the mass or on increasing the friction force the acceleration will decrease.
So here correct answer will be
<em>A) force on the object.</em>
Answer:
taking a shower brushing your teeth and washing your hands
Explanation:
Its to capture light or to focus. don't forget to like. :D
It pushes the currents to opposite sides