How many significant forces act on a book at rest on a table? Identify the forces.

Q: A mountain climber, in the process of crossing between two cliffs by a rope, pauses to rest. She…

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Q: A 5-kN bear slides down an ice slide without friction. If the slide makes an angle of 37° with the…

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Q: If a train/car/bus is moving at a constant velocity then what must the forces be?

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Q: Which is greater? Which has a greater horizontal component, a 100-N force directed at an angle of…

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Q: A 65-kg stuntman is trying to cross a busy street, using a rope over the street. At some point on…

A: Given data, mass of stuntman, m = 65 kg angle of the left side of the rope with the vertical, α =…

Q: Assuming the mass is the same, how does the acceleration of an object depend on the force exerted on…

A: in this question  we discussed  second  law of motion.

Q: Illustrate and solve the given. A shopper in a supermarket pushes a loaded cart with a horizontal…

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Q: Three forces act on an bject. A 35 force acts an angle Srce acts at an angle of 75° relative to the…

A: Given:-  The three force act on the object  F1 = 35 N at a angle 20o with the force F2 =60 N  The…

Q: which of the following situations is the net force on the body zero?

A: In this question we have to answer in which situations the net force is zero. Please give positive…

Q: A boy stits at rest on the floor. Which of the following statements are true? Check all that apply.…

A: Force of gravity (Weight) is acting downwards. Normal force acts upwards. Even though normal force…

Q: If The Net Force Acting On A Body Be Zero, Then Will The Body Remain Necessarily In Rest Position?

A: No, if the net force acting on a body be zero, then the body won’t necessarily be in the rest…

Q: A plum bob hangs from the roof of a railway coach. What angle will plum line make with vertical when…

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Q: The net external force on the 24-kg mower is stated to be 51 N. If the force of friction opposing…

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Q: -1.2m/s?, what is the net force acting on the vehicle?

A: negative acceleration means the speed reduces with time. Hence force will be negative means in…

Q: A stubborn dog, refusing to move, is dragged east by his owner along level ground. An eastward force…

A: Given:- The  mass of the dog m = 13 kg  The dragged force  on the  dog is F = 43 N  Find:- a)  The…

Q: A large truck traveling at 40 mi/hr down Lake Avenue collides with a Monarch butterfly that is…

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Q: person is standing on a building with a height h. His mass is m and acceleration due to gravity is…

A: Angular momentum L = Iw

Q: A 2.00 kg hanging block pulls a 3.00 kg block along a very smooth table. Compute for the…

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Q: A box of massmis placed on a frictionless table and connected, via a string, to another box of…

A: Given: Mass of box on table = m, Mass of box hanging through string = M.

Q: A couple consists of two forces which have different magnitudes and parallel noncollinear lines of…

A: Required : True or False.

Q: Give an example when a single force cannot replace two forces acting on a body?

A: A single force can only be able to replace two forces if they are intersecting. If two forces that…

Q: A 5.0-kg and a 10.0-kg box are touching each other. A 45.0-N horizontal force is applied to the…

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Q: Unbalanced forces that are not equal in size can cause an object to - O Stop moving O Change…

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Q: A truck of mass 7 tonnes was moving with a velocity of 110 km/hr. The brakes were applied to bring…

A: The velocity of an object is defined as the rate of change of displacement with respect to time…

Q: When a bug hits the windshield of a moving car, why does the bug get "squished" while the car…

A: This can be taken as the case of inelastic collision. The car is moving at a very high speed and the…

Q: The force that balances system of forces on the force table is known as the * O equilibrant O net…

A: Answer-: 1st is right (equilibrant) Because in equilibrium all force are balence.

Q: Can forces exist solitary on one object without any interaction with other objects?

A: A force can act on a single object without an interaction between two objects.An example for the…

Q: Suppose you have an object on which no forces are acting at a particular instant when you observe…

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Q: If a bulldozer pushes a stack of bricks hard enough to make the stack move, which type of friction…

A: Required :: If a bulldozer pushes a stack of bricks hard enough to make the stack move, which type…

Q: Do, there exist forces in nature which are non-central? If so, give example.

A: Non-central force is that force which does not simply depend upon the distance between the centers…

Q: What are some differences between the forces acting on a person when they are doing a squat vs a…

A: SQUAT:- Squatting is a popular exercise that targets the muscles in the legs, lower back, and core.…

Q: Somebody is riding a skateboard and holding a wire that is tied to a car.  The wire makes a 17°…

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Q: A 200 N force due East and a 80N force due West both act on an object.  The object accelerates due…

A: From Newton's law Fnet=mam=Fneta

Q: If I were to push a cart in the grocery store, which force would I be supplying to the cart? Would…

A: To push a cart in the grocery store the forces supplying to the cart will be Applied external force…

Q: If an object is moving, is it possible for the net force actingon it to be zero? Explain

A: If an object is moving with a constant velocity which means if acceleration is zero of the object,…

Q: You are weightless when you are A. In free fall B. Without a support force C. Infinitely away from…

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Q: You’re exploring a cave. Standing in a low cavern, you steady yourself by pushing straight up on the…

A: When we stand  in a low cavern exploring a cave and steady ourselves by pushing straight up on the…

Q: What are balanced forces? O When forces acting on an object are equal, so there is zero net…

A: When there are n number of forces acting on a body the and the are said to be balanced if the…

Q: What do the forces do?

A: In physics, force is something which occurs in a couple. Newton's third law: It states that whenever…

Q: When you sit on a chair, the resultant force on you is     a. zero   b. up   c. down   d. it…

A: Our answer will be zero (option a) Reason when you sit on a chair , there will be downward force due…

Q: A shark, of mass 95 kg, is swimming with a constant velocity of 7.2 m/s [32° above the horizontal].…

A: Write a given values of this question.

Q: In a head-on collision, a car stops in 0.10 s from a speed of 14 m/s. The driver has a mass of 70…

A: A car stops in 0.10 seconds after colliding and the final velocity becomeszero.We can apply Newton's…

Q: friend tells you that since his car is at rest, there are no forces acting on it. How would you…

A: Given:Friend tells you that since his car is at rest, there are no forces acting on it.Now,Explain:I…

Q: Two people are pulling on a toboggan. One person is pulling directly north with a force of 75 N…

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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!