A horse pulls a wagon, and the wagon pulls back with the same force(according to Newton's 3rd Law). How do they get anywhere?O They were already moving with a constant velocity.O They don't; the forces cancel.The ground exerts a force on the horse.O The force exerted by the horse is greater than that by the wagon.O The forces don't cancel while they accelerate - only when they are moving atconstant velocity.

Introduction: Newton's third law states that every action have equal and opposite reaction in the…

A horse pulls a wagon, and the wagon pulls back with the same force (according to Newton's 3rd Law). How do they get anywhere? O They were already moving with a constant velocity. O They don't; the forces cancel. O The ground exerts a force on the horse. The force exerted by the horse is greater than that by the wagon.

A horse pulls a wagon, and the wagon pulls back with the same force (according to Newton's 3rd Law). How do they get anywhere? O They were already moving with a constant velocity. O They don't; the forces cancel. O The ground exerts a force on the horse. The force exerted by the horse is greater than that by the wagon.

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 16PE: A brave but inadequate rugby player is being pushed backward by an opposing player who is exerting a...

See similar textbooks

Similar questions

(a) Find an equation to determine the magnitude of the net force required to stop a car of mass m, given that the initial speed of the car is v0 and the stopping distance is x . (b) Find the magnitude of the net force if the mass of the car is 1050 kg, the initial speed is 40.0 km/h, and the stopping distance is 25.0 m.
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 friction between losing player's feet and grass? b) What force does the winning player exert on the ground to move forward if his mass plus equipment is 110Kg? 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.
A 103 kg fullback runs at the line of scrimmage (a) Find the constant force that must be exerted on him to bring him to rest in a distance of 1.2 m in a time interval of 0.26 s opposite the fullback's direction of motion (b) How fast was he running ?
A 2 000-kg car is slowed down uniformly from 20.0 m/s to 5.00 m/s in 4.00 s. (a) What average force acted on the car during that time, and (b) how far did the car travel during that time?
A 106 kg fullback runs at the line of scrimmage. (a) Find the constant force that must be exerted on him to bring him to rest in a distance of 1.4 m in a time interval of 0.28 s. __________opposite the fullback's direction of motion(b) How fast was he running initially?
s The giant Pacific octopus (Enteroctopus dofleini) has a typical mass of 15 kg and can propel itself bymeans of a water jet when frightened. (a) If it expels water at amass rate of 2.4 kg>s and with a speed of 27 m>s, what thrust canit generate? (b) If the seawater exerts a resistive force of 18 N onthe octopus, what acceleration can it achieve? (c) If the octopusmaintains its jet propulsion for 3.0 s, what maximum velocitycan it attain?
If a car is traveling eastward and slowing down, what is the direction of the force on the car that causes it to slow down? a. Eastward b. Westward c. Neither eastward not westward.
A soccer player starts from rest and accelerates forward, reaching a velocity of 8.00 m/s in 2.50 s. (a) What was his average acceleration? (b) What average force did he exert backward on the ground to achieve this acceleration? The player’s mass is 70.0 kg, and air resistance is negligible.
What is the acceleration of two falling skydivers (total mass = 132 kg including parachute) when the upward force of air resistance is equal to one-fourth of their weight? (b) If the upper person has a mass of 70 kg and the lower person 62 kg, what is the normal force exerted by each person on the other?
The net external force on the 24 kg mower is stated to be 51N. a. If the force of friction opposing the motion is 24N, what force F in newtons is the person exerting on the mower? b. Suppose the mower is moving at 1.5 m/s when the force F is removed. How far will the mower go before stopping?
A 101 kg fullback runs at the line of scrimmage. (a) Find the constant force that must be exerted on him to bring him to rest in a distance of 1.1 m in a time interval of 0.28 s. (b) How fast was he initially running?
A bus with mass 3.50 x 102 kg, including passengers, has an engine that produces a net horizontal force of 7.70 x 102 N, after accounting for forces of resistance (a) Find the acceleration of the bus. (b) Starting from rest, how long does it take the bus to reach a speed of 12.0 m/s? (c) After reaching this speed, the driver turns off the engine and drifts to a stop over a distance of 50.0 m. find the resistance force, assuming it’s constant.