As you sit in your chair watching these lesctures, the force of gravity acts downward upon your body. The reaction force to the force of the Earth pulling you downward is ___. a) the force of the chair pushing you upward b) the force of the floor pushing your chair upward c) the force of the Earth pushing you upward d) the force of your body pulling the Earth upwards e) none, because gravity does not have a reaction force.

Q: Base your answers to questions 121 to 123 on the information below. A force of 10. newtons toward…

A: Force, F = 10 N Weight, W = 25 N

Q: . An 8.0-kilogram block and a 2.0-kilogram block rest on a horizontal frictionless surface. When…

A: Note : As per guidelines i can answer the 1st question only. Please repost the remanining questions…

Q: A man weighing 71.36 kilograms is standing on a scale that is on an elevator's floor. Suppose that…

A:

Q: When an object falls freely under the influence of gravity there is a net force mg exerted on it by…

A: Definitely, an object falling under the gravity of the earth has a net force mg exerted on it by the…

Q: Determine the net force necessary to (a) give an object with a mass of 4.2 kg an acceleration of 5.4…

A: Newton's second law

Q: Use Newton’s Second Law to write an equation for each of the free body diagrams you drew in Question…

A:

Q: If a man weighs 155 lb on earth, specify (a) his mass in slugs, (b) his mass in kilograms, and (c)…

A: We are allowed to give the explanation of first three subparts of a question only which is given…

Q: 25. At a given location on the Earth's surface, which graph best repre- sents the relationship…

A: 25. We have to tell how weight varies with mass at a given location on earth We know that Weight =…

Q: If a mass of 1 kg is accelerated 1m/s2 by a force of 1 N, what will be the acceleration of 2 kg mass…

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Q: Draw the free body diagram or figure: Determine the weight of a mass of 10 kg at a location where…

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Q: Newton’s second law indicates that when a net force acts on an object, it must accelerate. Does this…

A:

Q: ewton exist. Explain yo

A: Three laws of Newton's:-  The first law of Newton:-  Newton's first law of motion is defined as that…

Q: A force of 3.2 N is applied to an 8.5 gram rifle bullet.  What is the bullet’s acceleration?

A: The expression for the required acceleration is,

Q: Jake is inside the elevator while it is moving, his mass exerted a force of 99.17 downwards. Suppose…

A: Given  Force downward F=99.17N Normal force N=141.71 N

Q: A space ship has a mass of 75,000 kg.  What net force is required to accelerate it to 20 m/s2 ?

A: Given:  mass, m = 75000 kg  acceleration, a = 20 m/s2

Q: During a game of ping pong, a paddle hits the 0.10 kg ball with a 12 N force. At the same time a…

A: Given data: The mass of the ball is m=0.10 kg The exerting force on the ball is F=9 N The…

Q: Explain Newton's second Law and solve related problems Given a mass of 2.00 kg. Let g = the…

A: Newton’s second law of motion Newton’s second law of motion states that the acceleration of the…

Q: In Newton's Second Law F = ma; if we will double the force applied in the object while keeping the…

A: Acceleration is the rate at which velocity changes, just as velocity is the rate at which distance…

Q: Which of Newton's three laws of motion is best demonstated in the following scenario? (Please write…

A: To explain:) the scenario of while riding a roller coaster you go over the top of a hill and lift…

Q: Suppose the mass of a fully loaded module in which astronauts take off from the Moon is 12,400 kg.…

A: The mass of a module is, m=12400 kg The gravitational acceleration on the Moon is, g=1.6 m/s2 The…

Q: Fighting Over a Toy Anudja is holding a stuffed dog, with a mass of 0.30 kg when Sarah decides that…

A:

Q: during take off in space, an 80kg is subjected to an acceleration equal to 5 times the pull of…

A:

Q: Two dogs pull on a 0.15 kg chew toy from opposing directions. One dog pulls with a force of 3.0 N to…

A: Given data:  Mass (m) = 0.15 kg Force (F1) = 3.0 N, towards left Force (F2) = 1.0 N, towards right…

Q: Suppose that you lift an object by exerting an upward force of 20 Newtons on it. If gravity exerts a…

A: Given  Force applied F=20N upward Force of gravity Fg=10N  downward

Q: 21. From the choices below, select the main fundamental, or universal forces. O frictional forces O…

A:

Q: Which of Newton’s laws best explains how a magician can pull a tablecloth from underneath dishes?

A: The table cloth in the trick is made very slippery. Such is the case that, there is no friction…

Q: Newton's Laws of Motion  1. What force is needed to accelerate a sled (mass=55kg) at 1.4m/s^2 on…

A:

Q: Which of the following observations would be adequately explained by Newton's third law? 1) When…

A: Introduction: Newton third law states that, If any object  exerts a force on nothrer object, then…

Q: Suppose a 60 kg runner completes a 5.0 km race in 19 minutes. What is this force as a fraction of…

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Q: Analysis True or False: Please answer the following questions. Explain why your answer is true or if…

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Q: In an experiment performed in a space station, a force of 48 N causes an object to have an…

A:

Q: The diagram below illustrates a particular situation where a horizontal force is applied 150 N to an…

A:

Q: Your hand exerts a 6.5 N upward force on a pound of sugar. Considering the force of gravity on the…

A: The solution is given by using summation of forces in upward and downward directions.

Q: Newton’s 2nd Law stipulates that “the sum of all forces acting on an object are equal to the mass…

A: Given information:The mass of the smiley face (m) = 12.6 kg

Q: The weight of an astronaut plus his space suit on the Moon is only 290 N. How much do they weigh on…

A: Calculate the mass of the astronaut. m = W/gM     = 290/1.6     = 181.25 kg

Q: оо FPush = 36.2 N Fg = Weight

A: Given: The mass of the object is 12.6 kg. The applied force on the object is 36.2 N in the left…

Q: 6. Three blocks of masses 1.0, 2.0, and 4.0 kilograms are connected by massless strings, one of…

A: Let tension in the string connecting 4kg block be T1 and in the once connecting the 1kg block be T2.…

Q: Solve for the normal force and acceleration of the figure below 25 Newton 15 Newton 35 43° 20 kg

A: The normal force is: N=mg+25sin 35-15sin43=20×9.8+14.34-10.23=200 N

Q: Consider Newton's first law of motion to determine which of the following statements are true? List…

A: Given: Newton's first law

Q: The following statements are TRUE about Newton's Second Law of Motion EXCEPT: A) Mass and…

A: (C) is the correct option.  Newton's second low of motion says force is equal to the change in…

Q: All the forces we see and experience are the result of just a few so-called fundamental forces. What…

A:

Q: The gravity acceleration at a certain level is 9.78 m/s². This acceleration varies by 8.28 x 10-⁴…

A:

Q: Describe How to relate the weight of an object to the general expression forgravitational force?

A: Given: mass of test object= m acceleration due to gravity = g Gravitational constant = G Mass of the…

Q: You are walking along when you slip on some ice and fall. For a moment you are in free fall. During…

A: mass of man m= 55 kg gravitational acceleration g= 9.8 m/s^2

Q: n the figure below, if the tension in string 1 is 34 N and the tension in string 2 is 24 N, what is…

A: Given data: T1 = 34 N T2 = 24 N Need to determine the mass of the object shown.

Q: A skier with a mass of 50 kg went down a smooth snowy slope that makes an angle of 25 degrees with…

A: To determine,Parta the weight of the skier (Newtons).given,mass of the skier(m)=50 kgangle made with…

Q: One elevator is accelerating in the upward direction at 1.5 m/s? and the other is accelerating…

A: The net force equation for the elevator accelerating in the upward direction is F1⇒T-mg=ma

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!