what causes an object to stay at rest A.if the forces acting on an object are balanced  an object must be at rest B.object at rest will stay at rest unless acted upon by balanced forces  C. an object at rest has  unbalanced forces acting upon it  D. an object at rest has balanced forces upon it

Q: 1. Consider a child holding a helium balloon in a closed car at rest. What would the child observe…

A: Part A: Initially the child and the balloon are at rest , when the car suddenly accelerates from…

Q: A 55-kg box is pushed from opposite sides on a frictionless surface. A 320 newton force is applied…

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Q: A 200 N block is at rest on a 30° incline. The coefficient of friction between the block and the…

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Q: 5. A block with a weight of 50N is pulled up a ramp with a 125 N force. There is a frictional force…

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Q: 9. A lead block is suspended from your hand by a string. What is the reaction to the force of…

A: According to Newton's third law of motion, every action has an equal and opposite reaction.

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: A55kg box is pushes from opposite sides on frictionless surface . A 320 Newton force is applied from…

A: Mass of box (m) = 55 kg Force applied from right (f) = 320 N Force applied from the left (F) = 180 N…

Q: In a museum exhibit three equal weights are hung with identical wires as shown in figure one .each…

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Q: A child pulls a 35kg sled to the left along a horizontal surface covered by snow with a force of 22…

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Q: A block M is suspended from the ceiling using two cables. The block is held in place. Tension in T1…

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Q: You are on a subway holding yourself off the floor by pulling on an overhead rail. The subway starts…

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Q: A horizontal force of 608 N is needed to overcome the force of static friction between a level floor…

A: Horizontal force applied (F) = 608 N  Mass of crate (M) = 225 kg  Coefficient of kinetic friction =…

Q: 3. A 12.0-kg box is pushed along a horizontal surface by a 24-N force as illustrated in the diagram.…

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Q: A person attempts to cross a cliff by tying together two ropes and using it as shown in the diagram…

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Q: 7. When a bowling ball hits pins, the ball slows down and the pins start moving. Explain why this…

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Q: When you push a piece of chalk across a chalkboard, it sometimes screeches because it rapidly…

A: Friction force opposes the relative motion between systems in contact. The friction between the…

Q: A 0.300-kg mass hangs at the end of a rope. A second rope hangs from the bottom of that mass and…

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Q: In figure 4, a 600 N-block B rests on a table holding another block A through a rope. The mass of…

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Q: A 1000 kg automobile is pulled by a horizontal line with a net force of 713 Newtons. (a) What is the…

A: Given: Mass (m) = 1000 kg Force (F) = 713 N

Q: An object sits at rest with no unbalanced forces acting upon it. What do we expect this object to…

A: According to Newton's first law an object changes its state of rest or state of uniform motion when…

Q: A 50-kg is held in place by two wide ribbons. The first ribbon makes a 30° angle to the left of with…

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Q: A 1469.4-N crate, initially at rest on a horizontal surface, requires a 5000-newton horizontal force…

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Q: 10. A steel bar hangs from a cable as a crane fifts it. What forces act on the bar? a. Gravity b.…

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Q: A 500-N box is at rest on the floor. Dennis Elbo makes several attempts to move the box, pushing…

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Q: A 6400-kg elevator has a maximum acceleration of 2.5 m/s2. Calculate the minimum diameter steel…

A: Given data: Mass of elevator is, m=6400 kg. Magnitude of acceleration is, a=2.5 m/s2.

Q: A 5 N chair is at rest on the ground . a man applied 786 N of force downward by sitting down . If…

A: Given : Weight of the chair WC = 5 N Weight of the man WM = 786 N Required : Normal force acting on…

Q: knowing that objects can't exert a net force over themselves, use forces and Newton’s laws to…

A: if a car is moving on a rough surface then we say according to the Newton's first law of motion.. 1.…

Q: A box weighing 77.0 N rests on a table. A rope tied to the box runs vertically upward over a pulley…

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Q: Compare the effort (or force) needed to lift a 10-kg object when you are on the Moon with the force…

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Q: Krystal's cat, Charlie, had an unfortunate experience this morning. Charlie climbed the curtain and…

A: The tension on the curtain is basically due to the weight of Charlie.

Q: Question 6 (1 point) If you a force on an object, it exerts an force back on you. O a act on,…

A: To explore the concept behind this question, we need to know what Newton's third law means. Newton's…

Q: A 55-kg box rests on a horizontal surface. The coefficient of static friction between the box and…

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Q: Three cattlemen are handling an unruly calf (Bos taurus). All three have ropes around the calf’s…

A: Given data: The magnitudes of force is, F1=120 N F2=110 N F3=116 N

Q: You are in an elevator standing on a scale. The scale reads the normal force that it needs to exert…

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Q: A person stands on a scale inside of an elevator at rest. The scale reads 800 N. What is the mass?

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Q: A 5kg dog has several balloons tied to it applying 20N of upward tension force. How much normal…

A: The normal force acts on the dog is, N=mg-F Here, m is the mass of the dog, g is the acceleration…

Q: Four boxes, each weighing 100 N are suspended from a beam. What is the tension in each of the wires?

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Q: A horizontal force of 734 N is needed to overcome the force of static friction between a level floor…

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Q: A block resting on a plane inclined at an angle, 0, of 42° from the horizontal is being held in…

A: From free body diagram, equate vertical forces and horizontal forces because system is at rest.

Q: A 32.7-kg crate rests on a horizontal floor, and a 62.0-kg person is standing on the crate.…

A: (a) Newtons second law says that accelaration of an objetc is directly propotional to the net force.…

Q: 4. The sign has a mass of 25 kg. Determine the tension in the cables as shown in the figure below.…

A: Mass of the sign m=25 kg. Let the tension on the strings be T1 and T2 which is what we need to find.…

Q: A rightward force of 332 N is applied to a 24.7-kg crate to accelerate it to the right. The friction…

A: Draw the free-body diagram of the crate.

Q: When you are in a car's passenger seat (on the right –US car), and the driver turns left, you are…

A: According to Newtons law of inertia, the body will remain in rest or uniform motion in a straight…

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”