Fnet Figure 4.7 The net force on a lawn mower is 51 N to the right. At what rate does the lawn mower accelerate to the right?

Q: A box of books weigking 319 N is shoved across the floor by a force of 485 N exerted downward at an…

A:

Q: A freight train has a mass of 1.5x 10^7kg. If the locomotive can exert a constant pull of 7.5x 10^5N…

A: Mass of the train is m=1.5×107 kg The locomotive can pull with a force, F=7.5×105 N As the the train…

Q: load devil like the one shown in Figure is used to move a 120 kg load with an acceleration of 1.2…

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

Q: An elevator weighing 5.8 kN in ascending with an acceleration of 3 m/s2 . The operator is standing…

A: Weight of elevator = 5.8 kN   = 5800 N Upwards acceleration (a) = 3 ms2

Q: A box of mass M is dragged across a rough horizontal surface using force F. Label all forces acting…

A: N is normal force f is frictional force m is mass, g is acceleration due to gravity mg is weight of…

Q: A large rocket has a mass of 2.00 x 106 kgat takeoff, and its engines produce a thrust of 3.50 x 107…

A: We are aware that a rocket weighs 2.0×106 kg at launch and generates 3.50×107 N of thrust. We have…

Q: move a large crate of mass 32.0 kg across a rough floor, with coefficient of kinetic friction…

A: According to Newton's second law F = ma So acceleration a = F/m

Q: A boat moves through the water with two forces acting on it. One is a 1500 N forward push by the…

A: Here, we calculate  the given as follow;

Q: A skateboarder starts from rest and rolls down a ramp that isinclined at an angle of 15° below the…

A: Let θ be the inclination angle of the ramp.

Q: Two packing crates of masses m, = 10.0 kg and m, = 3.80 kg are connected by a light string that…

A:

Q: The rocket sled  accelerates at arate of 49.0 m/s2. Its passenger has a mass of 75.0 kg.…

A:

Q: A person is mowing their lawn .they push their lawnmower which has a mass of 25 kg , to the right…

A: Given Data: The mass of the lawnmower is: m=25 kg The force acting in the right direction is: F=400…

Q: y F, = 15N F2 = 22N 300 F= 12N 4 kg F, = 20N F3= 17N

A: Given The mass of the box is m = 4 kg. The free body diagram of the block is, The net force in x…

Q: An 80.0-kg passenger in an SUV traveling at 1.00 × 10³ km/h is wearing a seat belt. The driver slams…

A: We have to determine the force of the seat belt on the passenger.

Q: The masses m1and m2shown in the figure are tied to eachother by a rope over a frictionless pulley.…

A:

Q: Holding a long rope by its upper end, youlower it onto a scale. The rope has a mass of 0.13 kg per…

A: Given,

Q: A force of 25.0 N is applied to a 35.5 kg mass. Find: (a) The acceleration of the mass and (b) The…

A: The given data are: F=25 Nm=35 kg Here, F denotes the force and m denotes the mass.

Q: book is pulled to the right at constant velocity by a 10 N force acting 30° above the horizontal.…

A:

Q: A person moves a 125 kg object by applying a force F = 450 N at an angle of 30° above the…

A:

Q: A force F applied to an object of mass m, produces an acceleration of 4.00 m/s. The same force…

A: GivenFor Mass, m1 , Acceleration, a1=4.00 m/s2AndFor Mass, m2 , Acceleration, a2=1.70 m/s2

Q: *66. The person in the drawing isstanding on crutches. Assume thatthe forceexerted on each crutch by…

A: The expression for the net vertical and horizontal forces,

Q: The 84-lb crate is carefully placed with zero velocity on the incline. What is the acceleration of…

A: Given: Mass of the crate = 84-lb Static friction coefficient μs =0.29 Kinetic friction coefficient…

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 traveler pulls on a 25 kg suitcase strap at an angle 36° above the horizontal. If the suitcase…

A: Given data:  Mass (m) = 25 kg Angle (θ) = 36° , above the horizontal  Initial velocity (u) = 0 m/s…

Q: 1. 10³-kg boat? (b) I starts rest, how the boat 10.0 s? city be all its e end of that tim 12. Two…

A:

Q: A couple of hotel workers are trying to get a new couch into a suite. They soon realized that it…

A:

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: A father pushes his newborn baby in a running stroller with a force of 300 N. The handle is inclined…

A: Consider the free body diagram of the stroller with a baby.   Let the force applied by the father…

Q: 35° push

A: The coefficient of kinetic friction between the couch and the wall. given,

Q: wo forces act on a 16- kg object. The first force has a magnitude of 68N and is directed 24o north…

A: Given: The mass of the object is 16 kg. The first force on the object is 68 N directed to 24o north…

Q: A man pushes the C 0ON Jadder horizontally as in order to prevent it from sliding. Neglect the shown…

A: We know that the body under multiple forces can have equilibrium position under the following…

Q: 0.0kg rests on level ground and there is no friction between the box and the ground. Resting on top…

A: We know that we have given that the box of mass 100 kg rests on level ground and there is no…

Q: The left ventricle of the human heartexpels about 0.070 kg of oxygenated blood straight upward…

A: Given data The mass of the blood is m = 0.070 kg. The force applied by the ascending aorta is F =…

Q: A truck of mass 2.40 * 103 kg is moving at 25.0 m/s. Whenthe driver applies the brakes, the truck…

A: The velocity of the truck at the time when the driver applied the brakes v1 = 25.0 m/s Final…

Q: To keep a large crate moving across a rough floor, you push down on it at an angle (theta)= 26°.…

A: Givenangleθ=26°Mass (m)=30 kgCoefficient of kinetic friction =0.31

Q: A 2540 kg test rocket is launched vertically from thelaunch pad. Its fuel (of negligible mass)…

A: Given Rocket mass (m)      = 2540 kg Acceleration (a)       = 1.50 m/s2 Time (t)…

Q: A dockworker loading crates on a ship finds that a 20.0-kgcrate, initially at rest on a horizontal…

A: Let the mass of the crate be denoted by m. Let the coefficient of static friction be denoted by μs…

Q: Two forces F1and F2act on a 5.00kg object. Taking F 1=20.0N and F 2 =15.0N, find the accelerations…

A: Were are given that: Here,  F 1=20.0N and F 2 =15.0N Mass of the object, m=5.00 kg

Q: In the following figure the horizontal surface on which this block slides has the coefficient of…

A: F = 40 N M = 10 kg coefficient of kinetic friction = 0.03

Q: a car of mass 2.0*10^3 kg is initialy moving at 21 m/s when the brakes are applied and the car is…

A:

Q: (a) What is the weight of a 4.00 kg backpack? (b) What is the acceleration of the backpack if a net…

A: Weight of any body of mass m is,  W=mg

Q: Situation 6. Determine the resultant foroe R and its line of action for the follwing force-couple…

A: Formula .

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: