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Description: Question 1: According to Newton’s Second Law F = ma.If the force applied to an object is doubled, what happens to the acceleration?Question 2:You observe a vehicle traveling on a highway. The vehicle is maintaining a constant velocity. What can you

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Physics

Question 1: According to Newton’s Second Law F = ma. If the force applied to an object is doubled, what happens to the acceleration?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter1: Introduction And Vectors

Section: Chapter Questions

Problem 8OQ

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If a single constant force acts on an object that moves on a straight line, the objects velocity is a linear function of time. The equation v = vi + at gives its velocity v as a function of time, where a is its constant acceleration. What if velocity is instead a linear function of position? Assume that as a particular object moves through a resistive medium, its speed decreases as described by the equation v = vi kx, where k is a constant coefficient and x is the position of the object. Find the law describing the total force acting on this object.
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Which of the following is true regarding Newton's Second Law of Motion? A. Increasing the net force applied on an object would decrease its acceleration B. For the same net force, the ratio of the masses of two bodies is directly proportional to the ratio of their accelerations, C. Changes in the net force would linearly change the acceleration D. It is only friction that affects the acceleration/deceleration of an object.
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Answer the following with the correct letter. 1. A physical quantity related to the property of an object to resist changes in its motion. a. Inertia b. Acceleration c. Mass d. Force 2. True or false? In considering forces in systems, their direction is not important. a. True b. False 3. An object following a straight-line path at constant speed <blank>. a. Has net force acting upon it in the direction of motion b. Has zero acceleration c. Must be moving in a vacuum d. Has no forces acting on it
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In an experiment using an inclined track with a dynamics cart, the computer failed, and the student had to record the distance the cart traveled in a specific time interval. If the cart traveled 35.0 ?? in 1.50 ?, find the cart’s acceleration, the cart’s mass, and the tension in the string connecting the cart to the accelerating (hanging) 50.0 − ? mass. Assume the cart isinclined 6.00 ??????? and no friction between the track and the cart.
Which of the following statements BEST describes Newton’s second law of motion? The object is either at rest or it moves with constant velocity when there is no net force acting on it. The force acting on an object is equal to its mass times its acceleration. An object with mass m subjected to a net force will have acceleration equal to the net force divided by its mass. When there is a net force acting on an object, the object moves with constant velocity equal to the net force divided by its mass.
PLEASE WRITE THE ANSWER IN 10 MINUTES ! ! ! Which of the following correctly states Newton's second law of motion? Select one: a. The net force acting on an object is equal to the mass of that object times its acceleration. b. None of the above is correct. c. An object in motion moves in a parabolic trajectory unless acted upon by a net force. d. Forces occur in matched pairs that are opposite in magnitude and equal in direction. e. Every object retains its state of rest or its state of uniform straight-line motion unless acted upon by a balanced force.
In procedure 2, you found the coefficient of kinetic friction by measuring the acceleration of a cart under the influence of the combined forces of friction, normal force, gravity, and tension in string from which masses were hanging. Suppose you add more masses to the hanging weight, therefore increasing the tension and hence the acceleration for this system to double (2 x) its original value. How many times of the old value of the coefficient of kinetic friction will the new value be?
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according to newton's second law, if there is a net force, there will be.... a. a net acceleration b. zero velocity c. a constant velocity d. no forces acting on the object