Which of the following best describes the forces on the object? Consider an object sliding at constant velocity along a frictionless surface
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Your Question : Which of the following best describes the forces on the object? Consider an object sliding at constant velocity along a frictionless surface
Answer:
-- The net vertical force on the object is zero.
Otherwise it would be accelerating up or down.
-- The net horizontal force on the object is zero.
Otherwise it would be accelerating horizontally, that is, its 'velocity' would not be constant. That would contradict information given in the question.
The total net force on the object is the resultant of the net vertical component and net horizontal component.
Total net force = √(0² + 0²)
= √(0 + 0)
= √0
= Zero.
The correct answer is the last choice on the list.
Also, you know what ! ? It doesn't even matter whether the surface it's sliding on is frictionless or not.
If the object's velocity is constant, then the NET force on it must be zero. If it's sliding on sandpaper, then something must be pushing it with constant force, to balance the friction force, and make the net force zero. If the total net force isn't zero, then the object would have to be accelerating ... either its speed, or its direction, or both, would have to be changing.
You are currently reading the article about lessons Which of the following best describes the forces on the object? Consider an object sliding at constant velocity along a frictionless surface and this lesson url permalink of the article was https://choosequestion.blogspot.com/2016/07/which-of-following-best-describes.html Hopefully this question and answer article can give good answers, good learning.
Which of the following best describes the forces on the object? Consider an object sliding at constant velocity along a frictionless surface
- There is a net force at right angles to the direction of motion
- There is a net force in the direction of motion, that is independent of the object’s velocity
- There is a net force in the direction of motion, that depends on the object’s velocity
- There is zero net force on the object
-- The net vertical force on the object is zero.
Otherwise it would be accelerating up or down.
-- The net horizontal force on the object is zero.
Otherwise it would be accelerating horizontally, that is, its 'velocity' would not be constant. That would contradict information given in the question.
The total net force on the object is the resultant of the net vertical component and net horizontal component.
Total net force = √(0² + 0²)
= √(0 + 0)
= √0
= Zero.
The correct answer is the last choice on the list.
Also, you know what ! ? It doesn't even matter whether the surface it's sliding on is frictionless or not.
If the object's velocity is constant, then the NET force on it must be zero. If it's sliding on sandpaper, then something must be pushing it with constant force, to balance the friction force, and make the net force zero. If the total net force isn't zero, then the object would have to be accelerating ... either its speed, or its direction, or both, would have to be changing.
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You are currently reading the article about lessons Which of the following best describes the forces on the object? Consider an object sliding at constant velocity along a frictionless surface and this lesson url permalink of the article was https://choosequestion.blogspot.com/2016/07/which-of-following-best-describes.html Hopefully this question and answer article can give good answers, good learning.