Give the direction of the net force acting on each of thefollowing objects. If the net force is zero, state “zero.” (a) A caraccelerating northward from a stoplight. (b) A car travelingsouthward and slowing down. (c) A car traveling westward withconstant speed. (d) A skydiver parachuting downward with constant speed. (e) A baseball during its flight from pitcher to catcher(ignoring air resistance).

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: Part of Newton's 2nd Law says the acceleration of an object is inversely proportional to the mass of…

A: Suppose The mass of the bucket is m. Hence the mass of stone is also m because bucket and stone…

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: (a) What force causes an automobile to move? (b) A propeller-driven airplane? (c) A rowboat?

A: (a) The friction force between the tires of automobile and the road way is the cause of the…

Q: A bus having mass of 1200 kg achieve the velocity of 4 m/s in 8 seconds. Find the required force to…

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Q: A particle acted upon by a balanced force system has no A velocity B displacement C force D none E…

A: If a particle is acted upon by a balanced force system then the net force acting on the particle is…

Q: A 103 kg fullback runs at the line of scrimmage (a) Find the constant force that must be exerted on…

A: Given Data:Mass Distance Time

Q: An object of mass m is dropped from the roof of a buildingof height h. While the object is falling,…

A: Consider the motion along the vertical direction.(a). time taken by the objects to strike ground can…

Q: A 27 kg boy goes down a straight slide inclined 34◦ above the horizontal. (a) List the forces acting…

A: Given data Mass of boy is m=27 kg Angle of inclination is θ=34o Acceleration due to gravity is…

Q: If an object of mass 8 kg has an constant velocity of 7 m/s , what is the unbalanced force acting on…

A:

Q: At the airport, you observe some of the jetsas they take off. With your watch you find that it takes…

A:

Q: A 28 kg suitcase is being pulled with constant speed by a handle that is at an angle of 26 ∘ above…

A: Given, mass of the suitcase m = 28 kg Suitcase pulled by a handle at angle θ=26∘ Normal force…

Q: A box has a mass of 67 kg, a force of 91 N is applied to it at an angle of 45º, an object moves on a…

A: To solve this problem we have to make free body diagram

Q: An airboat with mass 450 kg, including the passenger, has an engine that produces a net horizontal…

A: Given: The mass of the system is 450 kg. The net force applied by the engine is 970 N.

Q: The net external force acting on an object is zero. Is it possible for the object to be traveling…

A: In order to answer this question Let's Recall Newton's First Law of Motion: A body continues to be…

Q: What is the acceleration of two falling skydivers (total mass = 132 kg including parachute) when the…

A: (a) Mass of body (m) = 132 Kg As body is free fall acceleration is (g) = 9.8 m/s As, resistance is…

Q: A 2 kg box sits on a ramp of 8 degrees where the coefficient of friction is 0.3. A string runs…

A:

Q: There are two blocks are connected by a rope that passes over a set of pulleys. The block a has a…

A: Two blocks are given. The acceleration  of the lighter block is equal by magnitude to the…

Q: A 75.0 kg crate which is initially at rest, is acting

A: Given data:  Mass (m) = 75.0 kg Initial velocity (u) = 0 m/s Force (F) = 250 N Time (t) = 15.0 s…

Q: What is always true about the direction of a retarding force (such as friction or drag) compared to…

A: Given:                 Force is retarding force.

Q: If we know that a net force is acting on an object, which of the following must we assume regarding…

A: Newton’s second law of motion relates the force, mass, and acceleration of the object.According to…

Q: An electron of mass 9.11  10-31 kg has an initial speed of 2.00  105 m/s. It travels in a straight…

A:

Q: A person is skiing in a horizontal snow surface with a net acceleration of 0.2 meters per second per…

A:

Q: suppose your hand moves upward by 0.5 while you are throwing the ball. the ball leaves your hand…

A:

Q: A ball of mass 0.5 kg is tossed vertically upwards. What is the magnitude and direction of the net…

A: Regardless of the direction of the ball’s motion, the acceleration due to gravity is the only force…

Q: a 331N crate resting on a plane inclined 31 degrees with the horizontal requires a 20.2N force to…

A:

Q: person of mass 55 kg has an initial speed of 5.0 m/s runs in a straight line, and its speed…

A:

Q: A race car travels along a raceway at a constant velocity of 200km/h. What horizontal net force acts…

A: The net force acting on an object in any direction is the product of its mass and its acceleration…

Q: (a) What net external force is exerted on a 1100.0-kg artillery shell fired from a battleship if the…

A: We must ascertain the force exerted on the ship and the force applied to the shell by the ship.

Q: (a) 1: Knowing that the forces values given as: F1=140 N, F2=260 N, F3=170 N, F4=55 N, 1)Determine…

A: Solution: given that F1 = 140 N F2 = 260 N F3 = 170 N F4 = 55 N to find the resultant force along…

Q: A 75.0-kg woman stands on a bathroom scale in an elevator that accelerates from rest to 30.0 m/s in…

A: Given data: Mass of women, m=75.0 kg Initial velocity, u=0 m/s Final velocity, v=30.0 m/s Time,…

Q: What net force is needed to accelerate a 10-kg mass at the rate of 40 m/s2 (neglect all friction):…

A: Given data: The mass of the object is m=10 kg. The acceleration of the mass is a=40 m/s2.

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: Mr. M is accelerating up the wall at a rate of 0.75 m/s^2. The rope attached to the harness makes an…

A: Newton's second law of motion is:

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: