4. Identify the action and reaction forces in the following situations: a. Earth attracts the Moon, b. a boy kicks a football, c. a rocket accelerates upward, d. a car accelerates forward, e. a high jumper leaps, and f. a bullet is shot from a gun

Q: A 841.2 kg car initially moving at 17.39 m/s starts to slow down and comes to a complete stop in…

A: Just replace the values and its done

Q: 5. A constatnt force F directed to the right is applied on a cart of some mass M that is moving to…

A: 5. A constatnt force F directed to the right is applied on a cart of some mass M that is moving to…

Q: Q1: Calculate the force necessary to accelerate a 900-kg rocket vertically down at the rate of 30…

A: Given: Mass of the rocket,m=900 kg Acceleration, a=-30 m/s2 (negative sign indicates downward…

Q: 3. Gabby threw her ball vertically upwards with a force of 20 N. At the same time, an eastern wind…

A: Upwards force (F) = 20 N (north)Force exerted by wind (f) = 5 N (east)

Q: 2. A force of 500 N acts for a time interval of 0.001 second on an object that was initially at…

A:

Q: 3A car riding on a slide of 30° has mass of 460 kg. What is the normal force acting on the car?

A: Given:  The mass of the car is 460 kg.              The angle made by the inclined plane with the…

Q: *82. GO To hoist himself into a tree, a 72.0-kg man ties one end of a nylon rope around his waist…

A: Given, mass of man, m = 72.0-kg Tension force, T = 358 N Upward acceleration of man, a =?

Q: Q2 A Vacuum cleaner (the mass of vacuum cleaner is A man de cided to clean his room with his kg) .…

A: Given: Mass of the vacuum cleaner, m = 20 kgforce applied by a person, F = 200 Nat an angle of θ =…

Q: 1.) A crate with mass 2 kg initially at rest on a warehouse floor is acted on by a net horizontal…

A: Given data:  Mass (m) = 2 kg Initial velocity (Vi) = 0 m/s Force (F) = 3.8 N Time (t) = 6.6 s…

Q: 9. Any object launched or thrown with an initial velocity and relies solely on gravity is called…

A: An object which is thrown with an initial velocity and relies solely on gravity is called a…

Q: 9. If you throw a 15 kg rock, using 30 N of force, what would the acceleration of the rock be?…

A: 9. Given: Mass, m=15 kg Force, F=30 N Formula: Newton's Second Law is used to find the acceleration…

Q: 13. A very big truck collides with a small sports car. which experiences the greater acceleration?…

A: given:- a very big truck collides with a small sports car .

Q: A 1100 kg car accelerates at 3.40 m/s2. If the car accelerates from rest for 30 seconds, what is the…

A: Mass of car = 1100 kg  Acceleration of car = 3.4 m/s2  Initial speed = 0 m/s  Final speed = ?  Time…

Q: 1. Adam accelerates a football from rest to a speed of 10 m/s with a punt that is in contact with…

A: Dear student,                     According to the guidelines I am allowed to answer only one…

Q: 42. A woman stands on a scale in a moving elevator. Her mass is 60.0 kg, and the combined mass of…

A:

Q: 20. What happens to the inward acceleration of an object when the mass is quadrupled? a. The inward…

A:

Q: 1. What force is' needed to accelerate a child on a -(total mass = 60.0 kg) at 1.25 m/s²? sled

A: We are authorized to answer only one question at a time, since you have not mentioned which question…

Q: 11. A bowling ball and a volleyball are thrown with the same amount of force, which of these balls…

A: Let the mass of bowling ball = M  Let the mass of volleyball = m  Since the mass of bowling ball is…

Q: 1. A little boy pushes a wagon with his dog in it. The mass of the dog and wagon together is 45 kg.…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 4. Tarzan is just hanging on two vines, both of his hands are holding on each vine. Tarzan is about…

A:

Q: A 70.0 kg rocket accelerates upwards at 5.00 m/s². Determine the force the engines provide. Include…

A:

Q: A person places a book on the roof of a car and drives off without remembering to remove it. As the…

A: In this question we are given that a book is placed on the roof of a car and we have find the forces…

Q: 3. A net force of 2400 N acts on an African female elephant with a mass of 3600 kg. How large is the…

A: Force, F = 2400 N  mass, m= 3600 kg

Q: 5. Suppose that a car is accelerating at a rate of 2 m/s. If the net force is tripled and the mass…

A:

Q: 1- a worker with spikes on his shoes pulls with a constant horizontal force of magnitude 20 N on a…

A: Given: The mass of the box is 40 kg. The force on the box is 20 N. Introduction: The force on a body…

Q: 8. If a 60 kg person on a 15 kg sled is pushed with a force of 300 N, what will be the person's…

A: Given data:  Mass of person (mperson ) = 60 kg Mass of the sled (msled ) = 15 kg Force (F) = 300 N…

Q: 6) Which of these is the action-reaction pair for the normal force of the ground pushing up on the…

A:

Q: 2. Find the acceleration of a rocket whose engine max force is 6.75 × 106 N and mass is 5.27 x 105…

A: (2) From Newton's second law of motion, acceleration of the rocket is, Acceleration = Force/mass…

Q: 1.) A rocket engine applies a force of 1200 N to a 50 kg rocket, determine the rocket's…

A: Ans:- Image-1

Q: 2. Exceptional runners can have an acceleration of magnitude 15 m/s. What amount of horizontal force…

A: Acceleration, a = 15 m/s² Mass of runner, m = 60 kg Force, F = ?

Q: Determine the magnitude of its acceleration

A: Newton's Second Law of motion According to Newton's Second Law of motion, the rate of change of…

Q: 3. Two men pull a 31-kg box with forces 9.7 N and 7.6 N in the directions shown below. Find the…

A: Given  mass m = 31 kg F1 = 9.7 N left side F2 = 7.6 N right side

Q: 2. A Saturn V rocket has a mass of 2.75 × 106 kg and exerts a force of 33 × 10° N on the gases it…

A: Mass ( m) = 2.75× 106kg  Force (F) = 33×106N by engine

Q: 67.A young woman pushes a 25kg grass pruner as shown in the figure. If F= 30N and θ=37º, a) what is…

A:

Q: 3) A car of mass 2000 kg has a driving force of 4500 N and experiences an air resistance of 1500 N.…

A: 3) net forward force = 4500-1500 = 3000 N

Q: 7a. A 58 kg person steps on a scale in an elevator. The scale reads 334 N. What is the acceleration…

A: Mass of person = m = 58 kg  Scale reads = 334 N = F  Acceleration of the elevator = a= ???

Q: 3. An object is acted upon by the following forces: 25N[E], 50N[NE], 30N[S] and 4ON[S60°E]. Draw a…

A:

Q: 2. A person with a mass of 65 kg travels through a snow using snow board. He is skiing for 20s and a…

A: Given: Mass of the person, m=65 kg The friction force, F=25 N Time, t=20 s

Q: 2. Why does the rock hit the ground before the feather? What force is acting on the feather other…

A: Whenever an object(rock or feather in this case) dropped freely, the only force that is acting the…

Q: 16. A reaction force when you go up to a wall and push on it is that the wall pushes back on you.…

A: When i go up to a wall and push it with a certain force the the wall also govi me same amount of…

Q: 4. A horizontal force was applied to 8.0- kg box that touches to a 12.0 kg box and the two boxes…

A:

Q: 2 SA bullet with a mass of 0.3 kg is thrown upwards in the vertical direction with an initial…

A:

Q: 2. A 10-kg box of books is initially at rest on a horizontal surface. A horizontal force of 60.0 N…

A: Given, Mass of box (m) = 10kg Box moves with constant speed if applied horizontal force is equal to…

Q: 21 Time-dependent force AS-kg mass moves under the influence of a force F (4i-3¢])N, where r is the…

A:

Q: 24. A pickup truck with mass 980 kg is initially at rest. The truck accelerates to a speed of 95…

A:

Q: 2. Two basketball players apply forces 10N and 12N on the ball during a game. What is the resultant…

A:

Q: 12. According to Newtons third law: The action force is equal in magnitude to the reactionforce and…

A:

Q: 2. Imagine you are trying to move a very heavy box, and it does not move. Then, you get a friend to…

A: SOlution: given that a box is lying which is being pushed by one person and than two person, in…

Q: 5. How long must a force of 100 N act on a 20-kg rocket to increase its speed from 100 m/s to 150…

A: 5) Apply Newton’s second law. Here, F represents the force, m represents the mass, v­f represents…

Q: 6. Which of the following distinguishes Galileo's assertion on horizontal motion fromNewton's first…

A: Between Galileo's assertion and Newton's law of motion, only difference is the concept of force.

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!