Calculate the magnitude of a normal force on a 22.7 kg block in the following circumstances. a. the block is resting on a level surface. b. the block is resting on a surface tilted up at 40.8 degrees with respect to the horizontal. c. the block is resting on the floor of an elevator that is accelerating upward at 2.53 m.s^2 d. the block is on the level surface and a force of 115 N is exerted on it at an angle of 40.8 degrees below the horizontal.

Q: A block weighing 67.5 N rests on a plane inclined at 25.0° to the horizontal. A force F is applied…

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Q: Four forces act on an object, given by A = 49.3 N east, B = 47.3 N north, C = 90.7 N west, and D =…

A: The net force on the object along the x-axis can be calculated as,

Q: Suppose you have a 132-kg wooden crate resting on a wood floor. (?k = 0.3 and ?s = 0.5)   a. What…

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Q: A loaded penguin sled weighing 75.0 N rests on a plane inclined at angle θ = 17.0° to the horizontal…

A: (a)Minimim magnitude of force that that prevents the sled from slipping is,

Q: A person pushes on a 53-kg refrigerator with a horizontal force of - 260 N; the minus sign indicates…

A: Ans:- Image-1

Q: A frictionless ramp is tilted 40 degrees above the horizontal and has a 15 kg block placed on it.…

A: Angle of ramp (θ) = 40o above the horizontal mass (m) = 15 kg

Q: image

A: According to company policy, only 1st question will be answered here. Please post the rest…

Q: Four forces act on an object, given by A = 32.3 N east, B = 45.3 N north, C = 84.7 N west,…

A:

Q: A loaded elevator of mass 2200 Kg is supported by cables that can withstand a maximum tension of…

A: Given data: Mass, m=2200 kg Maximum tension, T=28000 N Acceleration due to gravity of earth, g=9.81…

Q: our forces act on an object, given by A = 48.3 N east,B = 42.3 N north,C = 64.7 N west, and D = 84.7…

A: Given,

Q: Give reasons for the answers to each of the following questions: (a) Can a normal force be…

A: (a) answer-  Yes,  a normal force be horizontal if we push the object horizontally against a wall…

Q: An iron box weighing 60 kg is on an inclined plane at an angle of 30 from the horizontal. a.) If the…

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Q: A loaded penguin sled weighing 62.0 N rests on a plane inclined at angle θ = 19.0° to the horizontal…

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Q: A box of banana weighing 40.0 N rests on a horizontal surface. The coefficient of static friction…

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Q: Mr. M is accelerating down a wall at a rate of 0.75 m/s^2. The rope attached to his harness makes an…

A: Given, mass M=95 kg a=0.75 m/s2 angle =15 degree

Q: A loaded penguin sled weighing 87.0 N rests on a plane inclined at angle θ = 24.0° to the horizontal…

A: (a) Minimum force which prevents the sled from slipping is,

Q: penguin weighing 80N rests on a plane inclined at angle 0=20° to the horizontal. Between the sled…

A:

Q: A loaded penguin sled weighing 75.0 N rests on a plane inclined at angle 0 = 23.0° to the horizontal…

A:

Q: Give reasons for the answers to each of the following questions: (a) Can a normal force be…

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Q: A 75.0-kg man stands on a bathroom scale in an elevator that accelerates from rest to 30.0 m/s in…

A: mass, m = 75 kg initial velocity, u = 0 m/s  final velocity, v = 30 m/s  time, t = 2 s

Q: A loaded penguin sled weighing 62.0 N rests on a plane inclined at angle 0 = 24.0° to the horizontal…

A: weight = mg= 62 N Angle = θ=240 coefficent of static friction = 0.23

Q: A loaded penguin sled weighing 67.0 N rests on a plane inclined at angle θ = 22.0° to the horizontal…

A:

Q: A person pushes on a 60-kg refrigerator with a horizontal force of -270 N; the minus sign indicates…

A: Diagram, Given,           Refrigerator mass, m=60 kg           Applied horizontal force, FH=-270 N…

Q: A 20kg is pulled on by a rope that forms an angle of 30 degrees to the horizontal and and has 150 N…

A: The given question can be solved by using the concept of Newton's laws of motion. Newton's laws of…

Q: An applied force of 111 N is used to accelerate an object across a frictional surface. The object…

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Q: Suppose you have a 120 kg wooden crate resting on a wood floor, with coefficient of static friction…

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Q: A woman at an airport is towing her 13.0-kg suitcase at constant speed by puling on a strap at an…

A: When a force acts on a body at an angle θ then its Horizontal component of force is given by…

Q: A block weighing 80N rests on a plane inclined at 20o to the horizontal. The  coefficient of static…

A:

Q: A 75.0-kg woman stands on a bathroom scale in an elevator that accelerates from rest to 30.0 m/s in…

A: Given data: Mass of women, m=75.0 kg Initial velocity, u=0 m/s Final velocity, v=30.0 m/s Time,…

Q: Four forces act on an object, given by  A = 40.3 N east,  B = 43.3 N north, C = 74.7 N west, D =…

A: Given information:Force acting in east direction (A) = 40.3 N (“+ve” x-axis)Force acting in north…

Q: A 16 kg block of steel is at rest on a horizontal table. The coefficient of static friction between…

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Q: A block m, rests on a surface. A second block m₂ sits on top of the first block. A horizontal force…

A: Given Mass of the first block m1 Mass of second block = m2 m1 + m2 = m To find out The normal force…

Q: A block of mass M is suspended at rest by two strings attached to walls, as shown in the figure. T1…

A:

Q: A .22-caliber rifle has a 0.470 m long barrel. When fired, a bullet with a mass of 2.50 g…

A: Given: Length of the barrel = 0.470 m Mass of the bullet = 2.50 g Speed of the bullet = 370 ms.

Q: A man pulls a 100N box using a rope oriented at an angle of 30° with the horizontal force of the…

A: The FBD of the block is as shown.

Q: A loaded penguin sled weighing 68.0 N rests on a plane inclined at angle θ = 18.0° to the horizontal…

A:

Q: Four forces act on an object, given by A = 47.3 N east, B = 37.3 N north, C = 78.7 N west, and D =…

A: (a). Assume east and north are directed along the +x-axis and +y-axis respectively. Then the net…

Q: A child weighing 140 N sits at rest at the top of a playground slide that makes an angle of 25 with…

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Q: A woman exerts a horizontal force of 111 N on a box with a mass of 31.7 kg. HINT (a) If the box…

A: When an object remains stationary on a rough surface, in spite of an external force being applied on…

Q: A man exerts a horizontal force of 131 N on a crate with a mass of 36.2 kg.   (a) If the crate…

A: a) The horizontal forces acting on the crate are, the applied force and the friction. As the crate…

Q: Four forces act on an object, given by  A = 38.3 N east, B = 45.3 N north, C = 70.7 N west, and D =…

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Q: A loaded penguin sled weighing 80 N rests on a plane inclined at angle 0= 20° to the horizontal (see…

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Q: Suppose you have a 118-kg wooden crate resting on a wood floor. (For each answer, enter a number. μk…

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Q: Suppose you have a 120-kg wooden crate resting on a wood floor, with coefficient of static friction…

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Q: 1. A 90.0 kg crate is being pushed across a level floor at a constant speed by a 260 N force at an…

A:

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?”