The boy’s foot causes the motion. His foot is the one that causes the ball to roll down the hill.
Answer:
Newton's second law states that the acceleration of an object is directly related to the net force and inversely related to its mass. Acceleration of an object depends on two things, force and mass.
Explanation:
here this may help.
Because the atoms and molecules all have different properties
Is this a true and false question?
F=ma. So if you have the Force and the Acceleration you can find the mass. m=F/a. So the mass is 25kg
