Give the magnitude and direction of the net force acting on a stone of mass 0.1 kg,  a) just after it is dropped from the window of a stationary train,  b) just after it is dropped from the window of a train running at a constant velocity  of 36 km/h,

Q: 3.0 kg block is initially at rest on a frictionless table. A force of 24 N to the west and another…

A: Given Mass m = 3 kg Applied force F1 = 24 N  west F2 = 18 N south

Q: A 1100 kg car speeding at 90 km/h is brought to a stop in a distance of 30m . Compute the average…

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Q: Two people, one of mass 100 kg and the other of mass 50 kg, stand facing each other on an…

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Q: Which of the following statements is correct according to Newton's first law of motion? A. an object…

A: Newton's first law states that an object at rest stays at rest or an object in motion stays in…

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

A:

Q: An object of mass m sits on a flat table. The Earth pulls on this object with force mg, which we…

A: Newtons third law states that for every action there is an equal and opposite reaction. Here earth…

Q: Alex is asked to move two boxes of books in contact with each other and resting on a frictionless…

A: (A) Let FP be defined as the horizontal force. Let mA be defined as the mass of box A, and mB be…

Q: A box with a mass of 5 kg accelerates its speed in a straight line, increasing it from 5 m/s to 8…

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Q: A person jumps then leaves the floor with a velocity of 1.20 m/s upward. If the person is in contact…

A: Force can be defined as the rate of change of momentum.

Q: An unknown mass and a 12 kg mass are tied to a light string and hung over a frictionless pulley. If…

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

Q: An object moves to the right while subject to a force whose magnitude increases with time but points…

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Q: a) Find the resultant force and calculate its magnitude and direction (relative to the positive…

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

A: Net force acting on an object is zero.

Q: Two blocks of masses m,-6.00 kg and m,-4.00 kg are placed in contact with each other on a…

A:

Q: A student has a body mass of 175.5 pounds. He steps onto a scale holding a 25.0-pound barbell. Which…

A: mass of student, M=175.5 Poundsmass of barbell,m=25.0 lbsNow, he steps onto a scale holding barbell.

Q: Two iceboats (one of mass m, one of mass 2m) hold a race on a frictionless, horizontal, frozen lake.…

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Q: In a Subaru TV commercial, a dog is driving a car of total MASS 1,812 kg.  Suddenly a person runs…

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Q: In the expression of Newton's second law for a system of constant mass, EF = mā: The vector…

A: The Force F=ma from Newton's second law when applied to an object, it predicts the motion of a…

Q: A shopper in a supermarket pushes a loaded cart with a horizontal force of 15.0 N. The cart has a…

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Q: Two blocks of masses 12 kg and 14 kg are placed in contact with each other on a frictionless…

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Q: wo people, one of mass 100 kg and the other of mass 50 kg, stand facing each other on an ice-covered…

A: Given data- Heavier person MH=100 kg Lighter person ML=50 kg The heavier person pushes on the…

Q: Three forces, F1=2Ni+3Nj, F2=-10Nj and F3=3Ni+1Nj-5Nk, act on a particle. Find the net force on the…

A: Given data:  Three forces  F1→=2 Ni^+3 Nj^F2→=-10 Nj^ and F3→=3 Ni^+1 Nj^-5 Nk^ Required: Net force…

Q: Which is the following is true about the action and Reaction Force referred in Newton's third law of…

A: Given information: Few statements are given related to Newton's third law of motion.

Q: A curling rock of mass 20 kg is sliding along a frictionless ice surface when it strikes a rock half…

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Q: According to Newton's third law of motion, forces always occur in pairs called action-reaction…

A: According to Newton third law of motion every action has a equal and opposite reaction . If an…

Q: An object is moving with constant velocity. Which of the following best describes the force(s)…

A: Scenario: Object is moving with constant velocity.

Q: A football player kicks a football with a force of 400 N, north direction. The football hits the…

A: Given : Force by which football player kicks the football = 400 N

Q: A 1100 kg car speeding at 90 km/h is brought to a stop in a distance of 30m . Compute the average…

A:

Q: 3.09 kg mass is initially at rest while upon a frictionless, horizontal surface. An  applied force…

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Q: Several boxes were placed on top of a table and stacked on each other. The masses are the following:…

A: The free-body diagram of the 2 kg box is shown below. Here, N denotes the normal force exerted on…

Q: A high-diver of mass 70 kg jumps off a board 20 m above the water. If, 1.5 s after entering the…

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Q: Three blocks on a frictionless horizontal surface are in contact with each other, as shown. A force…

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Q: ) Box 1 has a mass of 1.20 kg and box 2 has a mass of 3.10 kg. In Case A, the floor exerts a force…

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Q: Which of the following statements is correct? a. The greater the mass of rocket fuel burned, and…

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Q: A boat moving with a velocity of 10m/s, towards west is acted upon by a pair of balanced forces.…

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Q: A block of ice with a mass of 2.50 kg is moving on a frictionless, horizontal surface. At t = 0, the…

A: Given Data: The mass of the ice block is: m=2.50 kg The velocity of the block at t=0 is: v0=8 m/s

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: particle of mass m1 accelerates at 5.00 m/s2 when a force F is applied. A second particle of mass m2…

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Q: If no net external force acts on an object which of the following is true Group of answer choices…

A: According to first law of newton, An object remains at rest or in motion with constant velocity,…

Q: Two bows, A and B, are used to fire arrows X and Y respectively. The average force bow A exerts is…

A:

Q: The 2022 Chevy Corvette has a mass of 1600 kg. If it were travelling at 31 m/s in the positive…

A: We have givenMass of  Chevy corvette (m)=1600 kgInitail velocity (u)=31 m/sNet stopping force =17000…

Q: mass is 71 kg and his little sister's mass is 15 kg.     Which of the following statements is…

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Q: Tom and his little sister are enjoying an afternoon at the ice rink. They playfully place their…

A: Given data:   Tom and his little sister push against each other  Mass of Tom (m1) = 77 kg Mass of…

Q: A billiard ball strikes and rebounds from the cushion of a pool table perpendicularly. The mass of…

A: Given data *The given mass of the ball is m = 0.38 kg *The given initial velocity is v1 = +2.20 m/s…

Q: An external unbalanced force F acts on a block. Which of the following statements are correct?…

A: Required : Correct statement.

Q: A pulley and rope hang two people. A person pulls downward on the leg of person number 2 with a…

A: Given: Mass of person 1 m1=50 kg. Mass of person 2 m2=60 kg.

Q: A 975-kg car accelerates from rest to 26.7 m/s in a distance of 120 m. What is the magnitude of the…

A: Given: m=975 kgu=0 m/sv=26.7 m/ss=120m

Q: A 2500 kilogram truck is moving initially with a velocity of 10.00 meters per second. To change its…

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Q: Isaac Newton looks up at an apple. He is on planet earth and starts to think... which of his…

A: Given:- Isaac Newton looks up at an apple. He is on planet earth and starts to think... Find :-…

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: