(3%) Problem 21: Commercial airplanes are sometimes pulled out of the passenger loading area by a tractor. 50% Part (a) An 1800 kg tractor exerts a force of 1.75 x 104 N backward on the pavement, and the system experiences forces resisting motion that totals 2400 N. If the acceleration is 0.16 m/s², what is the mass of the airplane in kilograms? ma-92.575 M-92.58 * Attempts Remain Feedback: is available. 50% Part (b) Calculate the force, in newtons, exerted by the tractor on the airplane, assuming 2200 N of the friction is experienced by the airplane. F 17.012 Grade Summary Deductions Potential 416 96%

(3%) Problem 21: Commercial airplanes are sometimes pulled out of the passenger loading area by a tractor. 50% Part (a) An 1800 kg tractor exerts a force of 1.75 x 104 N backward on the pavement, and the system experiences forces resisting motion that totals 2400 N. If the acceleration is 0.16 m/s², what is the mass of the airplane in kilograms? ma-92.575 M-92.58 * Attempts Remain Feedback: is available. 50% Part (b) Calculate the force, in newtons, exerted by the tractor on the airplane, assuming 2200 N of the friction is experienced by the airplane. F 17.012 Grade Summary Deductions Potential 416 96%

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Description: pls send me answer of this question immidiately and i will give like sir . ans both parts. (3%) Problem 21: Commercial airplanes are sometimes pulled out of the passenger loading area by a tractor.50% Part (a) An 1800 kg tractor exerts a force of 1.7

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter4: Dynamics: Force And Newton's Laws Of Motion

Section: Chapter Questions

Problem 29PE: A 1100-kg car pulls a boat on a trailer. (a) What total force resists the motion of the car, boat,...

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A force is a quantity that is ___ of producing motion or a change in motion. (3.1)
A 1.00 103 car is pulling a 300.-kg trailer. Together, the car and trailer have an acceleration of 2.15 m/s2 in the positive x-direction. Neglecting frictional forces on the trailer, determine (a) the net force on the car, (b) the net force on the trailer, (c) the magnitude and direction of the force exerted by the trailer on the car, and (d) the resultant force exerted by the car on the road.
An airplane of mass 1.50 104 kg is in level flight, initially moving at 60.0 m/s. The resistive force exerted by air on the airplane has a magnitude of 4.0 104 N. By Newtons third law, if the engines exert a force on the exhaust gases to expel them out of the back of the engine, the exhaust gases exert a force on the engines in the direction of the airplanes travel. This force is called thrust, and the value of the thrust in this situation is 7.50 104 N. (a) Is the work done by the exhaust gases on the airplane during some time interval equal to the change in the airplanes kinetic energy? Explain. (b) Find the speed of the airplane after it has traveled 5.0 102 m.
A ball is held in a persons hand. (a) Identify all the external forces acting on the ball and the reaction to each. (b) If the ball is dropped, what force is exerted on it while it is falling? Identify the reaction force in this case. (Neglect air resistance.)
A 6.0-kg object undergoes an acceleration of 2.0 m/s2. (a) What is the magnitude of the resultant force acting on it? (b) If this same force is applied to a 4.0-kg object, what acceleration is produced?
A 1100-kg car pulls a boat on a trailer. (a) What total force resists the motion of the car, boat, and trailer, if the car exerts a 1900-N force on the road and produces an acceleration of 0.550 m/s2? The mass of the boat plus trailer is 700 kg. (b) What is the force in the hitch between the car and the trailer if 80% of the resisting forces are experienced by the boat and trailer?
A brave but inadequate rugby player is being pushed backward by an opposing player who is exerting a force of 800 N on him. The mass of the losing player plus equipment is 90.0 kg, and he is accelerating at 1.20 m/s2 backward. (a) What is the force of friction between the losing player's feet and the grass? (b) What force does the winning player exert on the ground to move forward if his mass plus equipment is 110 kg? (c) Draw a sketch of the situation showing the system of interest used to solve each part. For this situation, draw a free-body diagram and write the net force equation.
Review. A rifle bullet with a mass of 12.0 g traveling toward the right at 260 m/s strikes a large hag of sand and penetrates it to a depth of 23.0 cm. Determine the magnitude and direction of the friction force (assumed constant) that acts on the bullet.
A 10.0-kg object is initially moving east at 15.0 m/ s. Then a force acts on it for 2.00 s, after which it moves northwest, also at 15.0 m/s. What are the magnitude and direction of the average force that acted on the object over the 2.00-s interval?
A block of ice (m = 15.0 kg) with an attached rope is at rest on a frictionless surface. You pull the block with a horizontal force of 95.0 N for 1.54 s. a. Determine the magnitude of each force acting on the block of ice while you are pulling. b. With what speed is the ice moving after you are finished pulling?
A 1 000-kg car is pulling a 300-kg trailer. Together, the car and trailer move forward with an acceleration of 2.15 m/s2. Ignore any force of air drag on the car and all frictional forces on the trailer. Determine (a) the net force on the car, (b) the net force on the trailer, (c) the force exerted by the trailer on the car, and (d) the resultant force exerted by the car on the road.
What properties do forces have that allow us to classify them as vectors?