14. What is a free-body diagram? a. It’s a sketch of a moving body that shows internal forces of the body and reaction forces b. It’s a sketch of an undisturbed body that shows external forces of the body c. It’s a sketch of an isolated body that shows external forces of the body and reaction forces d. It’s a sketch of a body in motion that shows bending forces of the body 15. The main condition for the rigid body is that the distance between various particles of the body does change. a. True b. False

Q: Construct free-body diagrams for the following physical situations. a. A downward moving elevator…

A: (a)

Q: 32. Kinetic friction VARIES also like static friction. A. True B. False C. It depends   45. A…

A:

Q: Think of a new situation where an object is in equilibrium, but it is still moving. a) Briefly…

A: The specific situation where an object is in equilibrium (i.e. the net force acting on it is zero)…

Q: A 50kg is pulled on by a rope. A horizontal force of 180 N applied to it. a. What is the weight of…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: 1. An external unbalanced force F acts on a block. Which of the following statements are correct?…

A: An unbalance force acts on body

Q: If the net, external force acting on a body is zero, then a. The body is accelerating at a small…

A: We know that Force = mass x acceleration In this question it is given that net external force is…

Q: From the figure shown, a 75-lb girl is walking on the plank. Assume a smooth contact (no static…

A:

Q: In the figure, the coefficient of friction between the planes and the blocks is 0.20 and the two…

A: This problem belongs to Newton's Law of motion chapter.  This kind of problems can be solved by :…

Q: 1. A 5 kg body resting on a 30° inclined plane is pushed by an applied force of 40N acting…

A: (a) Draw a free-body diagram of the object.

Q: thế carriaĝé must the carriage must bé pülling ôn thế hörse backward with an equal and opposite

A: Horse pulls the carriage with a given force. Newton's 3rd law explains how horse and carriage move…

Q: A factory needs to move packages from one level to another using a ramp. They want to choose a…

A: Option (c) is correct.  The Explanation of this problem is given below.

Q: The force F- 400 N Is shown in the figure. What is the X-component of F in Newton? b. 1. a. What is…

A: Concept used: X-component of force is given by cosine component. Y-component of force is given by…

Q: The system shown below is in equilibrium. a. Draw the free body diagram of the system.  b. What is…

A:

Q: Construct free-body diagrams for the following physical situations. a. A picture hangs symmetrically…

A: Given:  a. A picture hangs symmetrically by two wires oriented at angles to the vertical. b. A large…

Q: 2. A 10 kg ball is projected up a 10°- incline with a speed of 20 m/s. i. Draw the free-body diagram…

A: A 10 kg ball is projected up a 100 inclined with a speed of 20m/s

Q: 1. A 10 N weight is suspended from two strings as shown in the figure. a) Draw a free-body diagram…

A:

Q: Which statement describes the effect of an inclined plane on the amount of force required to push an…

A: let F is the force to push the object on horizontal surface but on inclined plane , force is…

Q: 12. In order to corner at a constant velocity, a planes vertical component of lift needs to counter…

A: The horizontal component of lift is the force that pulls the airplane from a straight flightpath to…

Q: table, a thread has a brass cylinder attached to it weighing 100 grams. Earth's gravity pulls this…

A: Given:- A thread has a brass cylinder attached to it weighing 100 grams Earth's gravity pulls this…

Q: 1. A box 35Kg sits at rest on a ramp with angle 29deg with horizontal direction, the friction force…

A:

Q: 6. A book is initially at rest on a table and it starts to move forward. Which of the following best…

A: According to Newton's first law if a body is at rest it will remain at rest and if it is in motion…

Q: You are trying to push your stalled car.Although you apply a horizontal force of 400 N to the car,…

A: Given : Horizontal force applied by you to the car = 400 N

Q: 5. A small rock (m-3 kg) and a car (m-1000 kg) stay still on flat ground. Draw a force diagram for…

A: SOlution: given that mass of rock m= 3 kg mass of car M = 1000 kg

Q: Which of the following statements best describes the relationship between weight and the normal…

A: Given data:  A object rest on a horizontal surface Required: The relationship between the weight and…

Q: Three particles are along the x-axis. 2 cm 2 cm 92 93 9,- 4, - 5 nC and q, - -5 nC. Calculate the a.…

A:

Q: Draw a free-body diagram that includes the vertical and horizontal forces. b) What is the normal…

A:

Q: which of the following is true about support force. Choose all that apply. A. An object is in…

A: Required To chose the correct statements about support force.

Q: In comparing two unequal forces on a rigid body, is it possible to have the larger force produce…

A: Torque on a rigid body about an axis is  T = F × r  F = force  r = distance of the applied force…

Q: A heavy steel cable attached to a motor is lifting a girder. The girder is speeding up. A. Draw a…

A: A heavy steel cable attached to a motor lifts a girder. The girder is speeding up.Where Msc mass of…

Q: 2. A hand is pushing a 16N "PHYSICS" book against a wall; the coefficient of static friction between…

A:

Q: 1. A 1500 kg vehicle accelerates from rest at 2.5 m/s?. If the engine generates a 4200 N Applied…

A: a) Fnet = ma = 1500×2.5  Fnet = 3750 N

Q: A 1.20 kg water balloon will break if it experiences more than 530 N of force. Your 'friend' whips…

A:

Q: The law that states that net force must be equal to zero for a body to be at rest or in the state of…

A: The law that states that net force must be equal to zero for a body to be at rest or in the state of…

Q: Starting from rest, a 150 kg body experiences a force of 100 newtons acting on it in a direction…

A: It is stated that an object that has a mass of 150 kg is facing force from two directions. One is a…

Q: 4. A block of mass m = 5.9 kg is pulled up a 0 = 21° frictionless incline as in the figure below…

A: Given, Mass of the block, m = 5.9 kg angle of the inclined plane, θ = 21°force, F = 37 N the surface…

Q: Which of the following statements are incorrect? (do not choose the correct answers) a. Two bodies…

A: 1-Two bodies with different masses create equal and opposite forces.(When two unequal bodies strike…

Q: The coefficient of kinetic friction is equal to the force of kinetic friction divided by   a. the…

A: (1) Write the relationship between kinetic friction and the normal force. f=μkNμk=fN Thus, the…

Q: 2. In the figure shown, the spherical ball has a diameter of 12 cm and weighs 20 kg. A 30.0-cm rope…

A:

Q: A person exerts a force of 120 NN on a rope that pulls a sled across a very smooth horizontal…

A:

Q: Three boxes in contact slide side-by-side on a smooth, friction-less, horizontal floor. Their masses…

A: The total figure of the situation Where, M = M1 + M2 + M3

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”