A 620 kg car pulling a 495 kg trailer accelerates forward at a rate of 2.20 m/s2. Assume frictional forces on the trailer are negligible. Ignore air drag.   (c) What is the force (in N) exerted by the trailer on the car?   Magnitude: Direction: (forward or backward)

Q: A truck with a mass of 750 kg is traveling along a wet road at 30.0 m/s  The driver slams on the…

A: The mass of a truck is, m=750 kg The truck will stop by applying brakes, so the final velocity of…

Q: A 6.53-kg block initially at rest is pulled to the right along a horizontal surface by a constant…

A:

Q: 1. Find the work done on the trunk by gravity. A. 5.88 kl. В. 2.821. С. zero. D. 1.03 kJ. E. 1.73…

A:

Q: In a circus performance, a monkey on a sled is given an initial speed of 3.1 m/s up a 26◦ incline.…

A: Given that :v=3.1 m/sθ=26°μk=0.71m=20.2 kgwhere,v is the initial speedθ is the anglem is the massμk…

Q: A 10 kg-block moves on a smooth horizontal surface with a speed of 10 m/s and slides into another…

A: Given data: Mass = 10 kg Initial speed = 10 m/s Coefficient of friction = 0.25 Need to determine the…

Q: The coefficient of friction between the tires of Shirley's 1985 Ford Coupe and the dry pavement is…

A:

Q: A trunk with a weight of 250N is at rest on a floor. The coefficients of friction between the trunk…

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Q: 6. A loaded 425 kg toboggan is traveling on smooth horizontal snow at 5.40 m/s when it suddenly…

A: (a) Initial and final velocities if the toboggan is:

Q: You pull a short refrigerator with a constant force F across a greased (frictionless) floor, either…

A:

Q: A 0.30 kg puck is being pushed across a table with a horizontal force of 2.0 N. It starts from rest…

A:

Q: A 945.0kg car traveling rightward at 22.6 m/s slams on the brakes and skids to a stop (with locked…

A: Frictional force f=μN=μmg

Q: A box started at rest but was moved at a speed of 5 m/s. It was pushed 3 meters up a 60° ramp. The…

A: The mass of the box is m = 5.6 kg. The inclination of the plane with the horizontal is θ = 60…

Q: A sled and rider have a total mass of 50.5 kg. They are on a snowy hill. The coefficient of kinetic…

A: Given: Total mass of sled and rider is 50.5kg. The coefficient of kinetic friction is 0.170. The…

Q: A force P = 696 kN whose line of action passes through points A(3, 2, 1) and B(7, 7, 10). Determine…

A: Given, A force P=696kN and action of line passes through A3,2,1 and B7,7,10

Q: A block with a mass of 6.47 kg is on a horizontal surface that has friction. A string is pulling…

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Q: In the figure, a 5.30 kg block is sent sliding up a plane inclined at 0 = 37.0° while a horizontal…

A:

Q: A 1350-kgkg car pulls a 330-kgkg trailer. The car exerts a horizontal force of 3.6 ×× 103 NN against…

A:

Q: A vertebra is subjected to a shearing force of 540 N. Find the shear deformation, taking the…

A:

Q: A constant applied force F, of 15.0 N pushes a box with a mass m = 7.00 kg a distance x = 15.0 m…

A: Given Information:- Mass of the box is m=7.00 kg. Applied force is Fp=15.0 N. Coefficient of kinetic…

Q: A 4.00-kg block is sent up a ramp inclined at an angle 0 = 29.0° from the horizontal. It is given an…

A: Given data: Mass of the block, m = 4 kg The angle of inclination, θ= 29° Initial velocity, vo =…

Q: a 400 N block slides on a horizontal plane by applying a horizontal force of 200 N and reaches a…

A:

Q: A 100. N block sits on a rough horizontal floor. The coefficient of sliding friction between the…

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Q: An object moves with an initial speed of 5.01 m/s. It then enters a region with friction causing the…

A: Work done by the constant friction force is:Wfric = Ffricd = μFNdbut FN = mgTherefore, Wfric =…

Q: Bob borrows a lunch tray of negligible mass to push Will on the tray across a level portion of the…

A: The free-body diagram is

Q: skier with a mass of 45.0 kg slides down a slope 12.3 m long, inclined at an angle θ to the…

A: According to Newton's second law Net force F = ma

Q: A sled is traveling 4.00m/s along a horizontal stretch of snow. The coefficient of kinetic friction…

A: The frictional force acting on the sled can be given as, Fk=-μkmg The acceleration of the sled can…

Q: A 5.0 kg block initially at rest is pulled to the right along a horizontal surface by a constant…

A:

Q: You are pushing a box, apply Fa = 90 N.  The box's mass is 25 kg.  The coefficients of friction are…

A: Given- Mass of box ,m =25 kg            Applied force on the box , Fa= 90 N          coefficients of…

Q: A box is pushed across a horizontal table by a boy applying a force of 32 N to the box. A force of…

A:

Q: A 1.2 kg crate slides down a 300 ramp with a height of 2.77. The crate has a speed of 2.90 m/s at…

A: mass of crate (m) = 1.2 kg Angle of ramp (θ) = 30oHeight (h) = 2.77 m speed of crate at the bottom…

Q: A 15-pound box sits at rest on a horizontal surface, and there is friction between the box and the…

A: The normal force acting on the box is :  FN=mgcosθ The friction force acting on the box is :…

Q: A 116-Newton horizontal force is exerted upon a 6.8-kg box to move it across a level surface at a…

A: Given Data Force is F = 116 N Mass is m=6.8 kg

Q: In the back of the truck is a 200kg box that has a coefficient of static friction of 0.8 and a…

A:

Q: n is traveling at a speed of 50 m/s at an angle of 10o. But the driver noticed that the bridge 300-m…

A: Given:-  The mass of the train is m = 20 Mg  the train is traveling with the speed of v = 50 m/s…

Q: Many birds can attain very high speeds when diving. Using radar, scientists measured the altitude of…

A: Given: The vertical distance of the dive is 208 m. The time taken is 3.0 s. The mass of the swallow…

Q: A dockworker applies a constant horizontal force of 80.0N to a block of ice on a smooth horizontal…

A: Given : F = 80 N vo = 0 (because block starts from rest) x = 20 m t = 9 s

Q: A parachutist whose mass is 65 kg drops from a helicopter hovering 1500 m above the ground and falls…

A: Given: The mass of the parachutist: m=65 kg The initial height: 1500 m The constant of…

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: