The force on an object can be increased by increasing its mass or increasing its acceleration.
Here's a more detailed explanation based on Newton's Second Law of Motion:
Newton's Second Law states that the force (F) acting on an object is equal to the mass (m) of the object multiplied by its acceleration (a):
*F = m a**
From this equation, we can see two primary ways to increase the force:
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Increase the Mass (m): If you increase the mass of the object that is being accelerated, while keeping the acceleration constant, the force required to achieve that acceleration will increase proportionally. For example, pushing a heavier box across the floor requires more force than pushing a lighter box at the same rate.
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Increase the Acceleration (a): If you increase the acceleration of an object, while keeping its mass constant, the force required to achieve that acceleration will increase proportionally. For example, accelerating a car from 0 to 60 mph in 5 seconds requires more force than accelerating the same car from 0 to 60 mph in 10 seconds.
Summary
In essence, force can be increased either by making the object harder to move (increasing mass) or by making it move faster (increasing acceleration).