A crate is placed on the bed of a truck but is not tied down.  The truck accelerates forward, the crate remains at rest with respect to the bed of the truck.  The frictional force acting on the crate is… a) kinetic friction acting forward b) static friction acting forward c) kinetic friction acting backward d) static friction acting backward Explain why

Q: A delivery company has just unloaded a 500-N crate full of home equipment on the sidewalk in front…

A:

Q: 1.) A football sled of mass 300 kg is pushed by football players with a force of 2800 N. If the…

A: Hai, since there are multiple questions posted, we will answer the first question. The maximum value…

Q: 1) Three blocks A, B and C are connected by two ropes with tensions T, and T,. Blocks A and B weigh…

A: The system is moving with constant velocity. So, acceleration of the system will be zero because…

Q: The figure shows a cart viewed from above being pulled by two children and experiencing a friction…

A:

Q: A 100-N object sits on a rough floor and is being acted on by 150-N force that is directed 30° above…

A: Weight of the object is 100N  Force acting is 150N at 30° above the horizontal us = 0.5 , uk= 0.25

Q: A block is pulled along a rough level surface at constant speed by the force P. The figure shows the…

A: Given data:  Block pulled by force P f = kinetic friction force Required: Normal force (FN)

Q: A cabinet has a mass of 45 kg. A man pushes the cabinet with 20N of force to the South. A second…

A: Free body diagram:

Q: A box weighs 600 kg rests on a wooden floor. Coefficient of friction are 0.28 and 0.17 for static…

A: The static friction force on a body is given by Ffs = μsN, where μs = coefficient of static friction…

Q: Question 2 A man pulls a 33-kg box up a ramp with a force of magnitude |F| = 232 N, as shown below.…

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Q: A car is driving down the road and the driver sees a branch fall out of a tree onto the road, a…

A:

Q: Problem 14: Using a rope, a man pulls a block of ice across a frozen pond at a constant velocity, as…

A:

Q: A block, sliding to the right, slows down because of friction. 1. Draw a free-body diagram of the…

A: The box slows down due to force of friction, hence there is no force pulling the object.  Therefore,…

Q: What force is needed to accelerate a sled ( mass=55kg) at 1.4 m/s2 on horizontal frictionless ice

A:

Q: A 250 kg steel box is being pushed across a wooden floor with a force of 550 N. What is the…

A: Acceleration is defined as the rate of change of velocity.

Q: The coefficient of sliding friction between rubber tires and the wet pavement is 0.50. The brakes…

A:

Q: A delivery company has just unloaded a 500-N crate full of home equipment on the sidewalk in front…

A: The frictional force on a body resting on a surface is the static frictional force. It is given by…

Q: How much force must the person apply to the suitcase to get it to start sliding? Find anequation…

A: mass of suitcasem=20 kgcoefficient of static frictionμ=0.30coefficient of kinetic…

Q: A child’s wagon with rubber tires is being pulled along a street. The wagon and its load have a…

A: Given that: m=28 kg μ=1.07 a=0.50 m/s2t=22 s

Q: 3. A 2-kg box is pushed against a wall with a force of 24 N, directed as shown. The coefficient of…

A:

Q: 9) An object of mass 10 kg is pulled up a rough (friction) inclined plane by a rope. The inclined…

A: mass of object (m) = 10 kg Tension (T) in the rope = 100 N θ = 25oacceleration (a) = 3 ms2

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

A:

Q: he force diagram below shows a box accelerating to the right on a horizontal surface of negligible…

A: Free body diagram

Q: A horizontal force of 87.2 N is applied to a 60.5 kg crate on a rough, level surface. If the crate…

A: The free-body diagram

Q: 3. Hayden and Amy are pushing/pulling a table (150 kg) up a flight of stairs. You can approximate…

A: Given Mass m= 150 kg Coefficient of kinetic friction μk = 0.3 Angle of the incline θ = 36.87o

Q: A hunter is pulling his sled 45 kg in mass behind him on snow. He exerts a pull of 170 N in…

A:

Q: Problem 1 Two blocks, A and B, are connected by a massless string and slide on a horizontal surface…

A: Given. m1 = 4 kg M2 = 6 kg. F = 30N u = 0.25 Formula. Fr = uN F = m.a

Q: What force is needed to accelerate a sled (mass=55kg) at 1.4 m/s2 on horizontal frictionless ice

A: Given Mass of sled  m = 55 kg Acceleration of  sled  a = 1.4 m/s2 To find Force needed to accelerate…

Q: 4. A block of mass m accelerates up a slope that has friction. a. Draw a free-body diagram for the…

A:

Q: A student is trying to determine the maximum rate at which a truck can accelerate to the right…

A: Since, the case given is said that acceleration is as quick as possible so Box must be in…

Q: Draw the free body diagram for a sliding crate of mass 145 kg that is pushed with a force of 750 N…

A:

Q: A delivery company has just unloaded a 500-N crate full of home equipment on the sidewalk in front…

A: Given: Weight of crate, w=500 N Tension, T=230 N Before crate starts to move, Static friction,…

Q: 1.A dockworker loading crates on a ship finds that a 180 kg crate, initially at rest on a horizontal…

A: (a) The coefficient of static friction is given by: fs =μsN = μsmggiven:m = 180 kgg = 9.8 m/s2fs =…

Q: An 11 kg block is being pushed forward on a flat surface with a force of magnitude 45 N. The…

A:

Q: Mr. Mangan pulls a 50 kg block with a force of 100 N at an angle of 25 degrees. The coefficient of…

A:

Q: 5. Consider a block sliding down a rough ramp. Which of the following forces is the reaction of the…

A: Given information: The a block is sliding on a rough ramp. Their is a frictional for acting on the…

Q: Problem 14: Using a rope, a man pulls a block of ice across a frozen pond at a constant velocity, as…

A:

Q: Alex pulls a box of mass M = 2.5 kg by applying a %3D force of F = 6.O N at an angle of 25 degrees…

A: Given data: Mass of the box, m=2.5 kg Applied force, F=6 N Angle, θ=25o We have to find the…

Q: 21. A child pushes a 315 g toy truck across a horizontal rough surface. (coefficient of kinetic…

A: Given data: Mass of toy (m) = 315 g Coefficient of kinetic friction (μk) = 0.73 Required: Free body…

Q: Mr. Mangan pulls a 45 kg block with a force of 150 N at an angle of 20 degrees. The coefficient of…

A:

Q: April works at the grocery store. She needs to move a heavy crate of bananas ( m = 80 kg) to the…

A:

Q: Problem 2. A block of mass m = 5.8 kg is pulled up a 6 = 25° incline as in Fig. 2 with a force of…

A: Given, Mass of block m = 5.8 Kg  Force F = 32 N Angle θ = 25 degree Coefficient of kinetic friction…

Q: -kg concrete block sliding on a vertical wall is being acted upon by a force P as shown in the…

A: Given- Mass of concrete block (m) =2.5 kg = 2500 gCofficient of kinetic friction(μk) =0.88

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?”