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Questions and Answers
What does it mean when you have to push a heavy ball harder to get it to move as fast as a small one?
What does it mean when you have to push a heavy ball harder to get it to move as fast as a small one?
- Newton's 1st Law of Motion
- Newton's 2nd Law of Motion (correct)
- Newton's 3rd Law of Motion
- None of the above
What is the relationship stated in Newton's 2nd Law of Motion?
What is the relationship stated in Newton's 2nd Law of Motion?
More force equals more acceleration.
It takes more force to push a bike than a motorcycle.
It takes more force to push a bike than a motorcycle.
False (B)
According to Newton's 2nd Law of Motion, force = ______ times acceleration.
According to Newton's 2nd Law of Motion, force = ______ times acceleration.
Which bowling ball goes faster down the lane, a 12 lb or a 15 lb bowling ball?
Which bowling ball goes faster down the lane, a 12 lb or a 15 lb bowling ball?
If you push a large box and a small box with the same force, the small box will go faster.
If you push a large box and a small box with the same force, the small box will go faster.
Why can a boy throw a football farther than his friend?
Why can a boy throw a football farther than his friend?
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Study Notes
Newton's Second Law of Motion
- Increased force exerted on an object results in greater acceleration, showcasing the direct relationship between force and motion.
- Force required to move an object is determined by its mass; heavier objects necessitate more force to achieve the same acceleration.
- The fundamental equation of the law is expressed as force = mass × acceleration (F = ma).
- The inertia of an object affects how easily it can be accelerated; a lighter object will accelerate faster than a heavier one when the same force is applied.
- Practical examples illustrate this law: a 12 lb bowling ball accelerates quicker down the lane compared to a heavier 15 lb ball.
- Situations like pushing a small box compared to a large box with identical force demonstrate that the smaller box will move faster due to its lesser mass.
- Applying more force, such as in throwing a football, can lead to greater distance traveled, emphasizing the role of force in motion dynamics.
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