The force that propels a rocket is provided by   (A) Gravity (B) Newton’s laws of motion (C) Its exhaust gases (D) The atmosphere against which the rocket pushes

Q: Earth exerts a force on an object equal to the object’s weight. The object exerts a force on Earth…

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Q: An object has a mass of 40 kg . It accelerate in a horizontal surface at the rate of 6m/s^2. The…

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Q: A man weighing 800 Newtons is standing in an elevator. If the elevator rises with an acceleration of…

A: Weight of person , W = 800 N  Acceleration of elevator , a = 0.5 m/s2  Mass of person , m = W/g  g…

Q: A space ship has a mass of 9000 kg.  The space ship is launched from Earth and lands on a distant…

A: Write the given values with suitable variables. m=9000 kgWp=390000 N Here, m denotes the space…

Q: Consider 2 forces acting on a mass of 2.34 kg. F1 = 10.9 N @ 19 degrees and F2 = 9.83 N @ 67.7…

A: as you are observing in figure below two forces F1 = 10.9 N & F2 = 9.83 N are acting on mass of…

Q: While standing on a scale, you are riding in an elevator that is accelerating upward. The reading on…

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Q: The acceleration of a particle is directly proportional to the applied force acting on the particle.…

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Q: A force produces 3 m/square second acceleration to a 4 kg ball. The mass of the ball whose…

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Q: A 66.8 N force is applied to an object resulting in an acceleration of 40 m/s^2. Calculate the mass…

A: Given data The Force applied on an object is: F = 66.8 N The acceleration of an object is: a = 40…

Q: According to Newton's 2nd law of motion, O a. acceleration of an object is directly proportional to…

A: Answer:) acceleration of an object is directly proportional to the net force

Q: Newton’s second law of motion relates an object’s acceleration to ___ *   a. its mass.   b. its…

A: Given in question  - Newton's second law.  To find - Newton’s second law of motion relates an…

Q: According to Newton's 2nd law of motion, O a. acceleration of an object is inversely proportional to…

A: There are three laws of motion given by Newton. Out of which second law states that,  " Rate of…

Q: A 3.5_kg frog sits on a 8.1_kg block of wood which is itself on a 94 kg slab of concrete on the…

A: Given: Mass of the frog is 3.5 kg. Mass of the block of wood is 8.1 kg. Mass of the slab is 94 kg.

Q: Which of Newton's three laws does the following situation illustrate? A guy pushes on a wall and…

A: A guy pushes the wall and feels the wall pushing back on him: In this case, Newton's third law of…

Q: According to Newton's second law, when the same force is applied to two objects of different masses,…

A: Newton’s second law F=maa=Fm

Q: As rockets, aircraft also satisfies Newton third law. To move in the direction of travel, the engine…

A: Newton's third law states that every object when exerting a force, the other object exerts the same…

Q: As you sit in your chair and study your physics (presuming that you do), the force of gravity acts…

A: Option E is the correct answer. when Earth pulls ass downwards with its gravity the reaction force…

Q: A student builds a rocket-propelled cart for a science project. Its acceleration is not quite high…

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Q: A 80 kg person stands on a weight scale in a elevator. The elevator is moving up with a acceleration…

A: Normal force (Apparent weight) will be given by: Apply Net force balance on person: From Newton's…

Q: Newton's second law of motion states that ------ O a. Acceleration of an object is directly…

A: According to Newton's second law of motionforce(F) can be written as F=mawhere m is the mass of the…

Q: The following statement are correct except; Action and reaction forces are sometimes not equal but…

A: ANSWER :- The law of parallelogram of forces states that if two forces acting on a particle at the…

Q: In Newton’s Third Law, the action and reaction forces   Question 10 options:   A)  are only equal…

A: Required: The facts about the Newton's Third Law

Q: The statement that the resultant of the external forces on any system of masses equals the total…

A: Newton's law of motion is widely used in all physics applications, even all physics is constructed…

Q: distance of 0.002m separates two objects. The first object has a mass of 25kg. If the gravitaional…

A: The gravitational force of acctratction between two objects of mass m1 and m2  separated by a…

Q: Objects feel weightlessness because   A. weightlessness is the force of gravity acting on the…

A: Given:- Objects feel weightlessness because Find:- which is correct  a)weightlessness is the force…

Q: The law that states that net force must be equal to zero for a body to be at rest or in the state of…

A: The law that states that net force must be equal to zero for a body to be at rest or in the state of…

Q: Three objects whose masses are 2.0 kg, 3.0 kg and 4.0 kg are joined by strings as shown. The 2 kg…

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Q: According to Newton's third law,  action and reaction forces (either one can be labeled as action F…

A: Answer true

Q: person dives toward the bottom of a swimming pool, the bouyant force acting on her increases."

A: As per Archemede's principle  Buoyant force =weight of liquid displaced

Q: Newton's first law of motion describes the relationship between     Force and momentum     Force…

A: Newton's 1st law of motion states that an object will maintain its state of motion, i.e, it will…

Q: The mass of a girl is 40 kg.calculate her weight. The weight of a stine is 98N.calculate its mass.…

A: The mass of the girl (m) = 40 kg. The gravitational force by the earth or the weight (W) is given…

Q: As a rocket ascends, its acceleration increases even though the net force on it stays constant. Why?…

A: By Newton's second law of motion, the force is given as, F = ma

Q: The following diagram represents a cart sliding on frictionless surface horizontally; find the mass…

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Q: Tanjiro is driving a 1500 kg truck while pulling a trailer. His acceleration is 1 m/s2. Nezuko is…

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Q: What does Newton's 2nd Law state? O An object at rest stays at rest. An object in motion stays in…

A: Newton's second law states that net force on a object equals the object's mass multiplied by its…

Q: As you sit in your chair and study your physics (presuming that you do), the force of gravity acts…

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Q: A ball is hanging from a bracket fixed to the wall of an elevator. The elevator is accelerating in…

A: When any action force is applied on an object, then the object applies same magnitude of force as a…

Q: You apply identical forces to two objects. Object A has mass of 5 kg and object B has mass 15 kg.…

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Q: According to Newton’s Second Law of motion     A. for every action force there is an equal &…

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Q: The crate A weighs 780 lb. Between all contacting surfaces, μs = 0.34 and μk = 0.29. Neglect the…

A: In this question we are given that the crate A weighs 780 lb. Between all contacting surfaces, μs =…

Q: One of the four fundamental forces that bind atoms is called O Strong Nuclear Force Gravity O…

A: We have four fundamental forces in nature : 1) Nuclear or strong force which is a short range force…

Q: A stone is thrown horizontally from the top of a cliff. Ignoring air resistance, the forces acting…

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Q: The force of gravitation between two objects is a force which is attractive for one object and…

A: In the given problem we have to explain the nature of gravitational force between two objects.

Q: Two forces are acting on an object at the same point. Determine the angle between the two forces.…

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Q: The change in motion an object experiences is   a. independent of the forces acting on it.   b.…

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Q: A force tends to cause an object to accelerate.The force and the resulting acceleration have   a.…

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Q: F: force of gravity P f: frictional force Ñ: normal force f <

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Q: Is the force with which large object attracts another object towards itself. All objects upon earth…

A: Newton's universal law of gravitation is applicable for all objects in the universe. It is proposed…

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: