A net force is acting on a body; therefore the body is a) being accelerated  b) losing mass c) moving with a constant velocity d) at rest

Q: Calculate the force a 75 kg high jumper must exert in order to produce an acceleration that is 3.2…

A: The expression for find force is F=mg+a

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

A: Expression for net external force is F=ma Substitute F=1100.0 kg2.40×104 ms2=2.64×107 N

Q: If a 0.450-kg object (m1) is connected to a 0.0400-kg mass (m2) and a constant frictional force of…

A:

Q: A 8.6 kg block lies on a frictionless horizontal surface. It is connected to another 11.5 kg block…

A:

Q: 5. Newton’s third law of motion states that forces between interacting objects occur in matched…

A: Given:  Newton’s third law of motion states that forces between interacting objects occur in…

Q: A 5.0 kg crate initially at rest on a smooth surface is acted upon by two opposing forces: 50 N to…

A: When a certain force is applied to a body with a certain mass, the body faces an acceleration…

Q: Calculate the maximum allowable force that can be applied to stop a 1000 kg vehicle if the maximum…

A: Given:Mass, m = 1000 kgMaximum allowable acceleration, a = 2.5g = 2.5 x 9.8 = 24.5 m/s2.

Q: An 85-kg wind sailor is on a 100-kg sailboat sailing on the red sea. If the acceleration of the boat…

A: Given Data  The mass of the sailor is m1 = 85 kg  The mass of the sailboat is m2 = 100 kg  The…

Q: Determine the net force necessary to (a) give an object with a mass of 4.2 kg an acceleration of 5.4…

A: Newton's second law

Q: Explain Newton's second Law and solve related problems A block of mass 8.00 kg rests on a flat…

A: Newton’s second law of motion Newton’s second law of motion states that the acceleration of the…

Q: An 800 kg elevator is going down and accelerates at 2.0 m/s^2. Find the tension (Newton) in the…

A: Given: The mass (m) of the elevator is 800 Kg. The lift is going down with an acceleration (a) of 2…

Q: Give an example of when your weight is more than mg. Give an example of when it’s zero.

A:

Q: A car is moving at 17 m/s crashes into a tree and stops in 0.95 s. The mass of the passenger inside…

A: Answer:-  Given  Mass of the passanger (m) = 66 kg  Initial velocity of a car (u) = 17 m/s  Final…

Q: A 45-kg woman stands on a bathroom scale while riding an elevator. Determine the reading on the…

A: Mass of the woman, m=45 kg Acceleration of the woman, a=7 m/s2 Acceleration due to gravity, g=9.8…

Q: Loyer applies a force of 12.8 N acts on a 4.5-kg object, pushing it horizontally across a surface…

A:

Q: A person weighs a 5 kg fish on an elevator. If the elevator moves with an acceleration ay = ±2.00…

A: mass of fish = 5kg acceleration of elevator = 2.00 m/s^2 elevator goes up

Q: A car collides with a semi-truck head on with both vehicles travelling at 50mph. Which vehicle…

A: Given data: Car collides with semi-truck Required: Vehicle that exerts greater force

Q: Determine the accelerations that result when a 12-N net force is applied to a 3-kg object and then…

A: The expression for the force,

Q: An object with a mass of 5 kg is acted upon by a net force with horizontal and vertical components…

A: Given: The mass of the object is 5 kg. The horizontal component of the force is 8 N. The vertical…

Q: A 5.0-kg bucket of water is raised from a well by a rope. If the upward acceleration of the bucket…

A: Given:- m = 5 kg a = 3 m/s2

Q: Astronauts inside spaceship feel ___ weight. A) More B) Less C) Zero D) Depends on G force

A: If a astronaut is orbiting in a satellite, the astronaut and the satellite both are attracted…

Q: Neglecting friction determine the horizontal force needed to accelerate a luggage weighing 250 N…

A: Weight (w) = 250 N   Initial velocity (u) = 0  Final Velocity (v) = 0.5 m/s  Time taken (t) = 2 s…

Q: A block of ice is sliding across a frozen pond at a constant velocity.  Use Newton’s 1st Law to…

A: Let us consider a block of ice is sliding across a frozen pond at a constant velocity ,(v) in m/sec…

Q: A crate of weight 800 N hangs at the end of a rope. Find its acceleration when the tension of the…

A: The tension of the rope and the weight of the crate gives the acceleration to the crate.

Q: You’re pushing horizontally on a large crate, but it won’t budge. According to Newton’s third law,…

A: According to the Newton’s third law, for every action there is an equal and opposite reaction exist.

Q: A body cannot exert a force on itself. This statement is a direct consequence of Newton's

A: A body cannot exert a force on itself.

Q: When an object falls freely under the influence of gravity there is a net force mg exerted on it by…

A:

Q: from REST

A:

Q: A boy has a toy with a mass of 312 g, attached at one end of the string the toy hangs below his…

A:

Q: When landing after a spectacular somersault, a 50.0 kg gymnast decelerates by pushing straight down…

A:

Q: A man pushes on a piano with mass 180 kg that it slides at constant velocity down a ramp that is…

A: (a) The magnitude of the force applied by the man, if he pushes parallel to the inclined is,…

Q: A 25 'kg box is being pushed down on by an applied force of 200 N inclined at 60 degrees below the…

A: Given The mass of the box is m=25 kg. The force applied to the box is F=200 N. The angle with…

Q: A 75 kg person rides an elevator accelerating downward at 2.5 meters/seconds squared.  Find the…

A:

Q: A car moving at 14 m/s crashes into a tree and stops in 0.91 s. The mass of the passenger inside is…

A: Given data:  Initial velocity of car (Vi) = 14 m/s Final velocity of car (Vf) = 0 m/s Mass of…

Q: If the acceleration of an object is zero, are no forces acting on it? Explain in words

A: Given , Acceleration of an object is zero.   We want to discuss about forces acting on it.

Q: An object with a mass of 1500 g (grams) accelerates 10.0 m/s² when an 3. unknown force is applied to…

A: According to Newton's 2nd Law:   F = ma                                 ...... (1)               (…

Q: When a certain force is applied to an object with a mass of 2 kg, its acceleration is 10.0 m/s2.…

A:

Q: Suppose you are in a bus that is travelling on a straight road and speeding up. If you could stand…

A: According to Newton's first law, a body a rest remains at rest and its state of motion does not…

Q: A net force of 15 N is exerted on an encyclopedia to cause it to accelerate at a rate of 5 m/s2.…

A: The mass of the encyclopedia can be given as

Q: A 60.0-kg person rides an elevator while standing on a scale. The elevator is traveling downward but…

A: Given: Mass of person m=60 kg, Acceleration of elevator a=2 m/s2(downward). Required: Reading on…

Q: On our planet earth,an object accelerates 16.3 m/s2 when a force of 4.6 Newton is applied to it in a…

A:

Q: If both the mass of the body and the force acting on it are doubled, then acceleration- Select one:…

A: From Newton's second law of motion,  Force acting on a body F is given by,  F = ( mass) × (…

Q: 16. If you push on a cart with a force of 200 N and it doesn't move, you can conclude that O…

A: Newton’s 3rd Law: If object A exerts a force on object B, then object B must exert a force of equal…

Q: A 90-kg man stands in an elevator that is moving up at a constant speed of 5.0 m/s. The force…

A:

Q: 17) You push on a wall, and the wall pushes back on you with the same force. This is an example of…

A: Assume a person applies force on the wall by pushing the wall. The wall also applies a pushing force…

Q: Newton's second principle states that: A The acceleration has the same direction as the applied…

A: Newton's second law F=ma. F=force. m=mass. a=acceleration.

Q: A box is being pulled is being pulled by a force at an angle of 30 degrees with respect to the…

A:

Q: What is Newton's 2nd Law? O Every action has an equal and opposite reaction O An object at rest…

A: Newton gave the three laws of motion which are known as 1st law of motion , 2nd law of motion and…

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!