Final answer:
Explaining how applying force changes an object's speed through acceleration and the relationship between force and acceleration.
Explanation:
Applying force to an object can change its speed by causing acceleration. For example, when a car is pushed, the force applied causes it to accelerate and increase its speed.
Acceleration is a clear indication that force is being exerted on an object. The more force applied or the longer it is applied, the greater the change in velocity or speed of the object.
The relationship between force and acceleration is described by Newton's second law: a ∝ F. This means that the larger the force applied, the greater the acceleration and speed change of the object.
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