Name Ashley MesinaNet Force Particle Model Quiz 1:Modified Atwood's MachineDatePdThe experiment you just completed looks something like the apparatus pictured below, where afalling mass tows a cart by string that passes over a pulley. Friction can be ignored.FW1. In the space to the right of the figure sketch a force diagram for the cart on the table.2.Suppose that the hanging mass is 120g. Calculate the net force on the system.m=120kg3. If the mass of the cart was increased but the hanging mass remained the same, how would theacceleration be affected? Explain how you know in terms of net force and system mass.4. If masses on the cart were moved from the cart to the hanger, how would the acceleration beaffected? Explain how you know in terms of net force and system mass.5. For a system mass of 600 g and a hanging weight of 0.50 N, determine the acceleration of thesystem.Modeling Instruction 20131U5 Net Force - quiz

1. 2. Only the weight of hanging mass will cause the acceleration of the system, since the tension…

Answered: Name Ashley Mesina Net Force Particle…

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter4: Forces In One Dimension

Section: Chapter Questions

Problem 66A

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Imagine that you have built a large room around the people in Figure 24.4 and that this room is falling at exactly the same rate as they are. Galileo showed that if there is no air friction, light and heavy objects that are dropping due to gravity will fall at the same rate. Suppose that this were not true and that instead heavy objects fall faster. Also suppose that the man in Figure 24.4 is twice as massive as the woman. What would happen? Would this violate the equivalence principle? Figure 24.4 Free Fall. Two people play catch as they descend into a bottomless abyss. Since the people and ball all fall at the same speed, it appears to them that they can play catch by throwing the ball in a straight line between them. Within their frame of reference, there appears to be no gravity.
(Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) . The graphs in Figure 2.52 show plots of force versus acceleration for several objects. Rank these displays using the identifying numbers according to the mass of the affected object from smallest to largest. If any objects share the same mass, give them the same ranking. For reference, the graphs all have the same scale for their respective F and a axes. Explain your reasons for your rankings.
(Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) 31. We have studied four different laws authored by Sir Isaac Newton. For each of the following, indicate which law is best for the task described. (a) Calculating the net force on a car as it slows down. (b) Calculating the force exerted on a satellite by Earth. (c) Showing the mathematical relationship between mass and weight (d) Explaining the direction that a rubber stopper takes after the suing that was keeping it moving in a circle overhead is cut. (e) Explaining why a gun recoils when it is fired. (f) Explaining why a wing on an airplane is lifted upward as it moves through the air.
(Indicates a review question. which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) . An extreme roller coaster is moving along its track. During a brief period the track exerts a downward force on the cars. Describe what is happening. (What is the shape of the track at this point?)
(Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) . Two astronauts in an orbiting space station "play catch" (throw a ball back and forth to each other). Compared to playing catch on Earth, what effect, if any, does the "weightless" environment have on the process of accelerating (throwing and catching) the ball?
(Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) . A basketball player shoots a Free throw. Make a sketch showing the basketball's velocity just after the ball leaves the player's hands. Draw in two components of this velocity, one horizontal and one vertical. Repeat the sketch for the instant just before the ball reaches the basket. What is different?
(Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) A woman is riding on a train while watching the display on her GPS unit. She notices that both the speed’ and the “speed” readings are not changing. What can the stir conclude about the net force acting on the train car?
Newton's laws of motion and gravity were among the first to convincingly demonstrate the underlying simplicity and unity in nature. Many other examples have since been discovered, and we now expect to find such underlying order in complex situations. Is there proof that such order will always be found in new explorations?
(Indicates a review question. which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) . How is Newton’s third law of motion involved when you jump straight upward?
CASE STUDY Skydiving Arguments Take a moment to think about each students argument. a. Avi argues that the air exerts a force on the skydivers. Does that argument seem possible? If so, how could air help the skydivers create the formation we see in Figure 6.1? As you formulate your answers to these questions, think about this key question: Why do skydivers use parachutes in the first place? b. According to Shannons suggestion, the planes altitude is constantly decreasing so that it is always alongside the divers. Does this situation mean that the plane must be accelerating? If so, what is that acceleration, and what sensation would a person on the plane experience? If not, what can you say about the motion of the plane? c. Cameron argues that the physics we study in the classroom is good only for ideal conditions and that the world is more complicated than any situation we see in class. Cameron says people jumping out of airplanes are not particles and cannot be treated like particles. Do you agree or disagree? Explain your answer. It may be helpful to return to Chapter 2 to see how a particle was defined.
(Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) At erne moment in a football game, player A exerts a force to me east to player B, At the same lime, a teammate of A exerts the same-sized force to the south on player B. In what direction is B likely to go because of these forces? Draw a diagram to support your answer.
(Indicates a review question. which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) What does a physicist mean by “external” force? Iii light of Newton’s third law of motion, why can’t an internal force alone produce an acceleration of a stein?

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