for the third part since frictional force is more than then force, shouldn't particle B be at rest? How can the particle move with negative acceleration? Please explain i have attached both question and answer

Q: A 2.30-kg block starts from rest at the top of a 30.0° incline and slides a distance of 2.30 m down…

A: “Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: Problem 2: An object weighing 5 N has an initial velocity of 180 km per hour. If the coefficient of…

A: Draw the free-body diagram of the object.

Q: Researchers have measured the acceleration of racing greyhounds as a function of their speed; a…

A: (a)  The average force acting on it during its initial acceleration phase is Favg=ma=32 kg10 ms2=320…

Q: 24-kgkg wagon accelerates on a horizontal surface at 0.50 m/s2m/s2 when pulled by a rope exerting a…

A:

Q: Three forces act on an object, considered to be a particle, which moves with constant velocity v =(3…

A:

Q: When an ice hockey puck weighing 90 g is stationary on the ice, a minimal force of 0.2 N is…

A: Draw the free-body diagram of the puck.

Q: Find the magnitude of the acceleration as it is going up the hill. 2. Find the magnitude of the…

A:

Q: Alter a tornado, you decide to go check on your mother' house. You start driving down an 11 degree…

A:

Q: Two objects, A and B, collide. Consider the magnitude of the force that object A exerts on object B,…

A: When two objects collide, then by Newton's 3rd law of motion, force exerted by car A on B is equal…

Q: a.)Calculate the coefficient of kinetic friction between block A and the tabletop. b.)A cat, also…

A: Given,    Weight of block A = 49.5 N  Weight of block B = 19.8 N   Weight of cat = 49.5 N

Q: A 12 kg box is released from the top of an incline that is 5.0 m long and makes an angle of 40° to…

A: Required free body diagram.

Q: A doctor pushed a 16-kg sled along the horizontal snow-covered ground by a horizontal force of 24 N.…

A: The required free body diagram is,

Q: Batman is driving his 1900 kg Batmobile down the hill from the Bat Cave. The hill is inclined at an…

A: By fbd of block  MgSin20° + F - ukMgCos20° = Ma  F = M(a + ukgCos20° - gSin20°)  F = 1900 ( 5 +…

Q: QUESTION 15 If the velocity of an object is zero at some point, then its acceleration must also be…

A: 15) Consider an example of motion along the vertical direction. When an object is thrown in the…

Q: Draw two force diagrams. One for the cart and one for the hanger. You can treat the track as…

A:

Q: A 40 N box is resting on a table when a 10 N force is applied to it horizontally. The coefficients…

A: Frictional force F = uN

Q: #3) Draw the Free Body Diagram for each case listed below. Remember the length of the arrows…

A: N is normal froce from bottom surfaceF is applied forcemg is weightF = frictionN = mg

Q: Lauren pulls her 18 kg suitcase at a constant speed by pulling on a handle that makes an angle of θ…

A: Given, Mass, m=18 kg frictional force, fk =27N Applied force, F=43 N As of suitcase is moving with…

Q: A student wants to angle a ramp such that if she releases a 2.8kg cart at the top of a ramp, the…

A: The student releases a 2.8 kg cart from the top of a ramp, such that the cart travels a distance of…

Q: What effect does horizontal velocity have on time of flight for a particle undergoing projectile…

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

Q: A 70.0 bicyclist (including the bicycle) is pedaling to the right, generating a 220N force. She is…

A: Given, Mass of theh bicyclist (including the bicycle), m = 70.0 kggenerating (through pendaling), F…

Q: A 60.0 kg box initially at rest, is pushed 8.0 m along a horizontal frictionless floor with two…

A: The problem can be solved by using the concepts of equations of motion and newtons second law of…

Q: I contestant in a Winter games event polls a 59.0 KG block of ice across a frozen Lake with a rope…

A: Given data: Mass of ice (m) = 59 kg Coefficient of static friction μs = 0.1 Coefficient of kinetic…

Q: Problem 2: An object weighing 5N has an inifial velocity of 180 km per hour. If the coefficient of…

A: weight of object = mg = 5 N mass = m = 5g=59.8=0.51 kg initial velocity = V0= 180 km/h = 180 x 518 =…

Q: 270 N 50°7 B 400 N 30 D 30

A:

Q: Example: An object of mass 5 kg is released from rest 10 m above the ground and allowed to fall…

A: Net force acting on the ball can be given by Substitute the value of a in above equation

Q: Consider the situation shown where two boxes of mass mi and m2 are placed on a plane tilted at angle…

A: The free-body diagram of the block m2 is shown below: N2 is the normal force on the block m2 due to…

Q: Does friction always oppose motion (i.e., does it always act in the direction opposite to that of…

A:

Q: A 2000kg car travelling at 10.0m/s collides with a 3000kg car that is initially a rest at a…

A:

Q: Sam has a mass of 116kg, he attempts to see how high he can jump by performing a standing high jump.…

A:

Q: The parallel component of the contact force between two surfaces that are sliding relative to each…

A:

Q: A block of mass m is pushed against a spring with spring constant k at the 3. bottom of a long ramp…

A:

Q: An object sits at rest on a ramp. As the angle of inclination of the ramp increases, the object…

A: The friction force acts between the two mating surfaces. There are two types of coefficient of…

Q: Macmillan Learning Two blocks, M₁ and M₂, are connected by a massless string that passes over a…

A:

Q: Determine the magnitude of the common acceleration of the two boxes at a time t_1 after you begin…

A: "Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Two packing crates of masses m, = 10.0 kg and m, = 7.30 kg are connected by a light string that…

A:

Q: Four people are attempting to move a stage platform across the floor. If they exert the horizontal…

A: Every set of forces and moments has an same force paired system. This is a one force and pure moment…

Q: a block of mass m is initially traveling upward along a ramp at speed v. The coefficient of kinetic…

A: a)The weight of block is acting vertically downwards. It is resolved into horizontal and vertical…

Q: A contestant in a winter sporting event pushes a 49 kg  block of ice at an angle 25∘ below the…

A:

Q: You work for a moving company are forced to pull two crates along the floor as shown in the figure…

A: (a) Given: The magnitude of the pulling force is 600 N. The masses are m1=50.0 kg and m2=20.0 kg.…

Q: A flatbed truck is travelling at a constant speed of 60kph up the 15% grade when 100 kg crate which…

A: Given information: The truck is moving with constant speed at 60 kph The grade of the incline = 15%…

Q: Problem 5: An object of mass m has these three forces acting on it (there is no normal force, "no…

A: a) F = F1(-j) + F2 i + F3 (-i)     F = -3j + 10i - 5i = 5i -3j  b) magnitude of net force =…

Q: Two objects, A and B, collide. Consider the magnitude of the force that object A exerts on object B,…

A: Newton's third law: It states that the force exerted by an object 1 on object 2 and by an object 2…

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: