Part III. Friction 1. Click on "Friction" 2. Select the checkboxes: Forces, Sum of Forces, Values, Masses and Speed. Keep the knob that regulates the friction at the center of the scale. Forces Sum of Forces 'Values Masses V Speed Friction None Lots 3. Start to push the box, increasing the force applied on the box slowly. There is a force that is opposite to the force you are applying. What is the name of the force opposing to the motion?

Part III. Friction 1. Click on "Friction" 2. Select the checkboxes: Forces, Sum of Forces, Values, Masses and Speed. Keep the knob that regulates the friction at the center of the scale. Forces Sum of Forces 'Values Masses V Speed Friction None Lots 3. Start to push the box, increasing the force applied on the box slowly. There is a force that is opposite to the force you are applying. What is the name of the force opposing to the motion?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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2. In the figure shown, the spherical ball has a diameter of 12 cm and weighs 20 kg. A 30.0-cm rope is used to hold the ball against a frictionless wall. A. Draw the FBD and show all of the forces acting on the ball. B. How much tension does the rope experience? C. How much force is applied by the ball against the wall? 30.0 cm->
1. State the three laws of motion. 2. Why does a child in a wagon seem to fall back when you give the wagon a sharp pull forward? 3. If the acceleration of an object is zero, are no forces acting on it? Explain. 4. If an object is moving, is it possible for the net force acting on it to be zero? 5. Only one force acts on an object. Can the object have zero acceleration? Can it have zero velocity? Explain. 6. When an object falls freely under the influence of gravity there is a net force mg exerted on it by the Earth. Yet by newton's third law the object exerts an equal and opposite force on the Earth. Does the Earth move?
1. What are the SI units of mass, acceleration, weight, and force? 2. List 3 types of contact forces and one long-range force (names and symbols). 3. What are the conditions for equilibrium (words and equations)? 4. A force is applied to a rope that is connected to two other ropes as shown. Draw a free body diagram for the O-ring connecting all 3 ropes and use Newton’s 1st Law to calculate the tensions in ropes 1 and 2.
1. Where do you find it easier to walk, on an unpolished floor or on a polished floor? Why? 2. Why do bowlers wear rubber shoes instead of leather shoes? 3. Define friction in your own words.
1. Here's our force diagram from Part 1: In this drawing, we've rotated the coordinate axes so the x-axis is parallel with the ramp surface and the y-axis is perpendicular. Now most of the forces are aligned with the axes, except one. Which force is not aligned with the new axes? Hint: Note: our textbook would label F_{string}Fstring as either F_TFT or just TT for the tension force. F_gFg , the force of earth's gravity on the object, also known as the weight w of the object. F_NFN, the normal force (sometimes labeled n ) on the object by the ramp surface. F_TFT, the tension force on the cart by the string
7. A woman pushes her sied across even snow surface to get it going, then jumps in. The sled then aradually slows to a halt after she jumped in. What forces act on the sled just after she's jumped in? a. Gravity and kinetic friction b. Gravity and a normal force C Gravity and the force of the push d. Gravity, a normal force, and kinetic friction e. Gravity, a normal force, kinetic friction, and the force of the push
3 decimal place for final answer a. A body weighing 2,225N is being dragged along a rough horizontal plane by a pull of 445N directed at 18o from the horizontal. If fk = 1/12, find the velocity required from rest in the first 3.650m? b. A body weighing 2,225N is being dragged along a rough horizontal plane by a pull of 445N directed at 18o from the horizontal. If fk = 1/12, find the velocity required from rest in the first 5.500m?
1. Suppose you are standing on a weighing scale in an elevator. What is the reading scale when you are accelerating upward and accelerating downward at a rate of 2.0 m/s^2 . Your mass is 50.0 kg 2. A man pulls 100 n box using a rope oriented at an angle of 30 degrees with the horizontal force on a rough floor that exerts 8 n frictional force on the box. suppose the box has moved a distance of 10 m to the right. find the work done by each force acting on the box. what is the net work done on the box.
The bus you are riding on suddenly comes to a stop. Your body will tend to a) move against the back of your seat because of your weight. b) move forward because of inertia. c) remain at rest. d) move against the back of your seat because of inertia. 9.Which statement describes why a book resting on a table is in equilibrium? a) There is a net force acting downward on the book. b) The weight of the book is equal to the weight of the table. c) The acceleration due to gravity is 9.8 meter/sq. second for both the book and the table. d) The weight of the book and the table's upward force on the book are equal but opposite. 10. The weight of an object is the a) force with which it is attracted to the earth. b) same as the mass only expressed in different unit. c) quantity of matter it contains. d) same as inertia.
What are the factors that affect the total drag generated in an aircraft during flight? Check all correct answers. U 0 A. density B. power available C. weight D. CD E. wing area F. lift G. power required H. airspeed
Sledding A sled with a mass of 80.0 kg is pulled along flat, snow-covered ground. The static friction coefficient is 0.30, and the kinetic friction coefficient is 0.10. a. What does the sled weigh? b. What force will be needed to start the sled moving? c. What force is needed to keep the sled moving at a constant velocity? d. Once moving, what total force must be applied to the sled to accelerate it at 3.0 m/s??
Worksheets 3. Imagine an airplane flying through the air. Use what you know about lift, drag, weight, and thrust to tell you what will happen to this airplane. Use the vocabulary in the box. Vocabulary accelerate - speed up decelerate - slow down ascend – go up descend - go down hover – stay suspended in one place a. If lift becomes greater than weight, the plane b. If thrust becomes greater than drag, the plane c. If thrust becomes less than drag, the plane d. If lift becomes less than weight, the plane e. If lift, mass, thrust, and drag become equal, the plane