A 41.8 kg box is on a frictionless 20° slope and is connected via a massless string over a massless, frictionless pulley to a hanging 19.5 kg weight. a. What is the tension in the string if the 41.8 kg box is held in place, so that it cannot move?  (N) b. What is the tension in the string once the box begins to move?  (N)

Q: A 12 kg block hanging on a string is pulled upward by the string with an upward acceleration of 6.2…

A:

Q: A block of mass m1 = 3.18 kg on a frictionless plane inclined at angle 0 = 31.9° is connected by a…

A:

Q: The figure below shows two boxes connected to each other by a light rope that passes over a pulley…

A: The masses of the boxes are,  m1=10.0 kgm2=4.70 kg The angle of inclination, θ=35.0°

Q: Three identical blocks connected by ideal (massless) strings are being pulled along a horizontal…

A: Given The Tension in between blocks B and C is TBC=3 N. The mass of each block is m=0.4 kg. The…

Q: Two blocks connected by a rope of negligible mass are being dragged by a horizontal force (Suppose F…

A: Force=40N m1= 12 kg m2= 20 kg

Q: Two weights are connected by a massless wire. They are pulled upward by a vertical pull force P and…

A: given w1=25N w2=100N in this problem velocity is constant mean acceleration is zero

Q: 8. In order to drag a 100 kg log along the ground at uniform velocity you have to pull on it with a…

A: (8) Given: The mass of the log is 100 kg. The pull force is 300 Ni^.

Q: A student of weight 635 N rides a steadily rotating Ferris wheel (the student sits upright). At the…

A: Student's weight, W = 635 N At the highest point, normal force FN = 593 N   TO FIND: (a)  Magnitude…

Q: 3. Four weights, of masses m1 = 7.50 kg, m2 = 4.80 kg, m3 = 10.70 kg, and m4 = 4.20 kg, are %3D…

A: Given Mass of one object = m1 = 7.50 kg Mass of second object = m2 = 4.80 kg Mass of third object =…

Q: A 10-kg wooden box rests on a ramp that is lying flat. The coefficient of static friction is 0.50,…

A: Given, m=10 kgμs=0.50μk=0.30

Q: A student of weight 635 N rides a steadily rotating Ferris wheel (the student sits upright). At the…

A:

Q: A 68 kg crate is dragged across a floor by pulling on a rope attached to the crate and inclined 158…

A: a) The maximum value of the static friction force,

Q: If gravity pulls you down toward the center of Earth with a force of 500 N, how much upward force…

A:

Q: A Christmas light hangs on a series of strings as shown in the figure below. The tension on string…

A: tension on string=0.48 N three angles=42°, 30° & 25°

Q: A cord passing over a pulley connects two masses, as shown, where  m1 = 3.60 kg  and  m2 = 7.20 kg.…

A: Draw the free-body diagram of the mass m2.

Q: The figure below is for a 6 kg box on a horizontal floor. Initially, you are pushing horizontally on…

A:

Q: Objects 1 and 2 are connected by a string, as shown. They are moving toward the right, and the…

A:

Q: car (m = 1980 kg) is parked on a road that rises 13° above the horizontal. What are the magnitudes…

A: Mass of car (m) = 1980 kg Angle of road with the horizontal (θ) = 13o above horizontal

Q: A 55 kg block is hanging vertically from a massless string in an elevator. (a) If the elevator is…

A: (a) tension in the string if the elevator doesn’t move T-mg=maT=mg+a=55 kg9.8 m/s2-0=539 N≈540 N

Q: A force F = 40N perpendicular to the wall acts on the block in the figure of mass m = 2 kg. What…

A: According to the Newton's second law, F-Fs=0F=FsF=μsmgμs=Fmg

Q: The figure below is for a 7 kg box on a horizontal floor. Initially, you are pushing horizontally on…

A:

Q: 24. •• The 1.0 kg block in Figure EX7.24 is tied to the wall with a ropề. It sits on top of the 2.0…

A: Given data The mass of the top block is m1 = 1 kg The mass of the lower block is m2 = 2 kg The…

Q: А 3.5kg B 2.75kg

A:

Q: A bedroom bureau with a mass of 47 kg, including drawers and clothing, rests on the floor. (a) If…

A:

Q: Three blocks, with mass m1 = m2 = m3 = 2 kg, are suspended from the ceiling of an elevator as shown…

A:

Q: An elevator accelerates upward at 4 m/s^2. The cable can safely handle a tension up to 5000 N.…

A:

Q: Jessie,a poor engineering student, decides that the 500 N table saw he just bought is "heavy enough"…

A:

Q: A 2000kg elevator has a downward acceleration of 1.0 m/s/s. (a) What is the tension in its…

A: (a)   M=2000 kg Force due to gravity = Mg=2000*10=20000 N T= tension  a= acceleration   Ma=Mg-T…

Q: 1. An object on a rope is lowered at constant speed. Which is true? A. The rope tension is greater…

A: Since object on rope is lowered at constant speed therefore acceleration will zero

Q: The elevator accelerates upward from rest at a rate of 1.20 m/s2 for 2.00 s. Calculate the tension…

A:

Q: # 2. A box of mass m = 10 (kg) is pulled with constant speed by a string on a 35° inclined plane…

A: Given: The mass of the block is 10 kg. The coefficient of the friction is 0.3. Introduction: The…

Q: A 500 kg piano is being lowered into position by a crane while two people steady it with ropes…

A:

Q: 1. A 75 kg box is standing on top of a moving cart. If the coefficient of static friction between…

A: Mass of box m = 75 kg Coefficient of friction u = 0.38 Maximum acceleration of cart a= ?

Q: 7) A large crate has a mass of 120 kg and sits on a horizontal floor. You push on the crate with a…

A: Given data:  Mass (m) = 120 kg Horizontal force (F) = 550 N Coefficient of static friction (μs) =…

Q: Your answer is partially correct. A 60 kg crate is dragged across a floor by pulling on a rope…

A:

Q: A woman at an airport is towing her 22.0 kg suitcase at constant speed by pulling on a strap at an…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 2. An unknown mass and a 12 kg mass are tied to a light string and hung over a frictionless pulley.…

A: Given: The mass (m1) of 12 Kg and an unknown mass (m) is tied to a light string and hung over a…

Q: A block of mass m1 = 3.13 kg on a frictionless plane inclined at angle 0 = 32.3° is connected by a…

A: Given data:  Mass (m1) = 3.13 kg Mass (m2) = 2.46 kg Angle (θ) = 32.3°

Q: A block of mass m = 3.19 kg on a frictionless plane inclined at angle 0 = 33.8° is connected by a…

A:

Q: Ti A mover is loading a truck. He is pushing a 180 kg appliance on a frictionless dolly up a ramp…

A:

Q: An elevator loaded with tourists has a mass of 1750 kg. a.) The elevator accelerates upward (in the…

A: The total mass in elevator is 1750kg, the acceleration is 1.55m/s2.(a) Consider the free body…

Q: A student of weight 648 N rides a steadily rotating Ferris wheel (the student sits upright). At the…

A: (a)At the highest point,

Q: A student of weight 675 N rides a steadily rotating Ferris wheel (the student sits upright). At the…

A:

Q: A block, mass 20.0 kg is being pulled horizontally along a rough surface. The box experiences an…

A:

Q: A crane is pulling a load (weight = 818 N) vertically upward. (a) What is the tension in the cable…

A:

Q: A block of mass mı = 3.61 kg on a frictionless plane inclined at angle e = 29.0° is connected by a…

A:

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: