A hand pushes two blocks across a frictionless pond of ice. Block A has a mass of 1 kg and block B has mass of 4kg. If the hand pushes with a constant horizontal force of 15 newtons, find the magnitude of the normal force exerted by block B on block A.

Q: The upward normal force exerted by the floor is 620 N on an elevator passenger who weighs 650 N.…

A:

Q: Block A of mass 3.0 kg is placed on a 40° incline and is connected to Block B of mass 5.0 kg by a…

A: Calculate net force along the string and hence the acceleration.

Q: physical quantity related to the property of an object to resist changes in its motion.  a. Inertia…

A: Vector is the quantity which has magnitude as well as direction.

Q: horizontal force of 140 N is applied to a stationary wooden box in one direction, and a 800 N…

A: Here, We have given, Horizontal Force applied on a stationary wooden box = F =140 N Horizontal Force…

Q: As shown in Figure E2.2, three force vectors act on an object. The magnitudes of the forces as shown…

A:

Q: In the figure, a chain consisting of five links, each of mass 0.147 kg, is lifted vertically with a…

A: Mass of each link is m = 0.147 kg  Upward Acceleration is a = 2.38 m/s2

Q: If an object has constant velocity, then there are no forces acting on it. Group of answer choices…

A: Newton’s first law of motion: It states that a system or body remains in rest or in a state of…

Q: Two blocks are connected by a massless rope. The rope passes over an ideal (frictionless and…

A: Given data: The mass on horizontal is m1=12 kg. The hanging mass is m2=7.5 kg.

Q: A block moving to the right on a level surface with friction is pulled by an increasing horizontal…

A: The frictional force or friction is the force that plays between two bodies that come in contact or…

Q: The coefficient of static friction between a block and a horizontal floor is 0.47, while the…

A: Given data The block mass is: m = 4.2 kg The coefficient of static friction is: μs = 0.47 The…

Q: "If a net horizontal force of 132 N is applied to a person with mass 60 kg who is resting on the…

A:

Q: Two forces act on an object, as shown in the figure above. |F1 = 5.0 N, |F2 = 1.0 N, 01 = 60°, and…

A: F1→ = 5 N F2→ = 1 N θ1 = 60° θ2 = 240° To find = x component of resultant force

Q: A 200kg statue has a coefficient of friction with the ground of 0.7. How much horizontal force is…

A: Given:mass M=200kgcoefficient of friction μ=0.7To find:Horizontal force F=??

Q: In the figure, a chain consisting of five links, each of mass 0.103 kg, is lifted vertically with a…

A: mass of each link (m) = 0.103 kg Number of links = 5 acceleration (a) = 1.90 ms2 (upwards)

Q: According to the Second Law of Motion, for a given force, acceleration is inversely proportional to…

A: The force is defined as F=ma Here F is force, m is mass and a is acceleration. The mass m of the…

Q: A box of mass 15 kg is sitting on a horizontal floor, where the coefficients of static and kinetic…

A: SOlution: Given that m = 15 kg applied force F = 50 N μs=0.6μk=0.55

Q: In the figure, a chain consisting of five links, each of mass 0.114 kg, is lifted vertically with a…

A:

Q: Consider Figure 1. Determine the magnitude and direction of the resultant FR=F1+F2+F3 of the three…

A: Components of each force is shown below-

Q: A 10 kg cart is pulled by a constant horizontal force of F. If the position of the cart is given by…

A:

Q: Assume that the pulleys are frictionless, but the horizontal surface is rough with a coefficient of…

A:

Q: Two teams are playing tug-of-war, each team has five members. The applied forces on the rope are as…

A: Given in question : Forces by teams are -…

Q: A painting with a mass of 20 kg is suspended by two wires from a ceiling. If the wires make angles…

A: Given data: Mass of the painting, m=20 kg

Q: What is the net force of the bear due to the three children pulling on it ? Give the x and y…

A: Consider the free-body diagram for the forces on the teddy bear as follows.

Q: Two forces are applied to a 5 kg object, one is 6 N to the north and the other is 8 N to the west.…

A: we knowNorth and west are perpendicular forcesFnet = sqrt (F1^2 + F2^2) a = Fnet/m

Q: Consider a 100-N weight suspended by two wires as shown in the accompanying figure. Find the…

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Q: The blocks shown below are connected by cords passing over frictionless pulleys. The coefficients of…

A: Refer to the figure below:

Q: A person in a boat starts paddling, and it accelerates from 0 to 0.70 m/s in a distance of 0.51 m.…

A: Given,  mass of boat ,m = 83 kg distance, s = 0.51m Initial velocity, u = 0m/s Final velocity ,v =…

Q: Block A in (Figure 1) weighs 1.25 N, and block B weighs 3.70 N. The coefficient of kinetic friction…

A:

Q: In the figure, a slab of mass m1 = 40 kg rests on a frictionless floor, and a block of mass m2 = 10…

A: a. the free body diagram of the m2 is shown below.

Q: Block B has mass 6.00 kg and sits at rest on a horizontal, frictionless surface. Block A has mass…

A: Given: mass of block B, mB=6 kg mass of block A, mA=3.50 kg co-efficient of static friction, μ=0.4…

Q: A block weighing 30 N is being pushed horizontally with a force of 60 N. What is the magnitude of…

A:

Q: A force of 20N is applied horizontally to a block of mass 5kg. The coefficient of friction between…

A: Write the given values of this problem. F=20 Nm=5 kgμ=0.3

Q: Based on Newton's 3rd law of motion, if a child weighing 35 kg exerts a force equal to his weight to…

A:

Q: When a mass of body tending to move on a rough surface, a counter-acting force is produced against…

A: Push or pull on an object is considered a force. The SI unit of force is Newton. Force is a vector…

Q: For numbers 3-4 3.Two forces act on an object. One force is 6.0 N horizontally towards west. The…

A:

Q: A sled is pulled at a constant velocity across a horizontal snow surface. If a force of 4.0 x 10^1 N…

A: The free body diagram of the sled is given below.

Q: When a particle is operated upon by a/an ____, its acceleration is proportional to the resultant of…

A: acceleration is proportional to the resultant of the force system, when

Q: A horse pulls a box of mass M = 55 kg across a rough horizontal surface by applying a horizontal…

A:

Q: woman exerts a horizontal force of 145 N on a box with a mass of 37.2 kg If the box doesn't move,…

A: Given Mass of box is m=37.2 kg Applied force is F=145 N

Q: A force of 35 N pushes three boxes along a horizontal surface. Find the contact force between 2 kg…

A: Given:    Force applied, F = 35 N     Mass of box 1, m1 = 4 kg    Mass of box 2, m2 = 2 kg    Mass…

Q: As Kevin is taking a bath, the soap falls out of the soap dish and he step on it with a force of 347…

A: Given data: Normal force (FN) = 347 N Frictional force (f) = 25 N Required: Coefficient of friction…

Q: An object that is 2kg is being pushed on a table, which has a coefficient of friction of 0.3.…

A: The magnitude of the force of friction between floor and the table is, Ff=μFN=μmg

Q: Two forces act on an object with F1 = (5.914 + 11.722) N and F2 = (−13.854 + 7.965) N. What is the…

A: The given forces are F1=5.914i^+11.722j^F2=-13.854i^+7.965j^

Q: You are standing on the floor of a stationary elevator.  You weigh 85 kg, what is the magnitude of…

A: Given  Mass (m) = 85 kg

Q: A wracking ball is suspended below two cables each at an angle with the horizontal. The left cable…

A:

Q: A block with mass m1 = 4.00 kg and a ball with mass m2 = 7.00 kg are connected by a light string…

A:

Q: As Dennis is taking a bath, the soap falls out of the soap dish and he steps on it with a force of…

A: Given: Normal force applied by Dennis is N=400 N The frictional force between the soap and the tiled…

Q: A wracking ball is suspended below two cables each at an angle with the horizontal. The left cable…

A: In the given question, Tension in left cable  = T1 Tension in left cable  = T2 Angle made by left…

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!