A nurse pushes a cart by exerting a force on the handle at a downward angle 31° below the horizontal. The loaded cart has a mass of 28 kg, and the force of friction is 56 N.   What is the magnitude of the force the nurse must exert to move at a constant velocity in Newtons?

Q: A block with a mass of 6.47 kg is on a horizontal surface. The coefficients of static and kinetic…

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Q: A sled is pulled at a constant velocity across a horizontal snow surface. If a force of 80 N is…

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Q: Two forces FA and FB are applied to an object whose mass is 11.9 kg. The larger force is FA. When…

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Q: A 60 kg block is pushed by a horizontal force causing the block to accelerate by 1 m/s2. The block…

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Q: An object of mass 10 kg is dragged, at a constant velocity, across a horizontal surface, pulled by a…

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Q: An antelope is being pulled by two forces whose vector-component expressions are: F1 = -6.7Ni +…

A: The angle (θ) between the two vectors F1 and F2 is given by,

Q: a box of dirty money (mass m1 =3.0 kg) on a frictionless plane inclined at angle 30. The box is…

A: It is given that,

Q: An antelope is being pulled by two forces whose vector-component expressions are: F1 = -9.1Ni +…

A:

Q: An antelope is being pulled by two forces whose vector-component expressions are: F1 = -2.3Ni +…

A: Ans:- Image-1

Q: An antelope is being pulled by two forces whose vector-component expressions are: F1- 0.9NI + -3.1Nj…

A: The given vectors, F→1=0.9 Ni^+3.1 Nj^+9.9 Nk^F→2=6.7 Ni^+8.6 Nj^+9.4 Nk^   The angle between the…

Q: A force of 550 N is applied to push a 45 kg crate across a 4-meter horizontal floor. The floor has a…

A: The condition would be as shown in figure  Friction opposes the change in motion , the maximum…

Q: Two blocks of mass 3.5 kg and 8 kg are connected by a massless string that passes over a…

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Q: An elevator, with a total mass of 454 kg, accelerates downward at 3.51 m/s^2. During this time, the…

A: Given data:  Total mass (m) = 454 kg Acceleration (a) = 3.51 m/s2, downward Required: The tension in…

Q: An antelope is being pulled by two forces whose vector-component expressions are: F1 = -1.3Ni +…

A: Given, Two force vectors

Q: A 10 kg cart is pulled by a constant horizontal force of F. If the position of the cart is given by…

A:

Q: An antelope is being pulled by two forces whose vector-component expressions are: F1 = -3.3Ni +…

A: The angle between two vectors θ=cos-1F→1·F→2F→1F→2=cos-1-3.3 Ni^+4.5 Nj^-2.7 Nk^·-1 Ni^+0.2 Nj^+3.4…

Q: A student applies a constant force of 200 N directed 30 degrees above the horizontal and thereby…

A: Given Information:- Applied force is F=200 N Angle between the force and the horizontal θ=30° Weight…

Q: A 45 kg block hanging on a string is pulled upward by the string with an upward acceleration of 3.6…

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Q: A box of weight 200 N is at rest on a floor where ??=0.4μs=0.4.  A rope is attached to the box and…

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Q: An antelope is being pulled by two forces whose vector-component expressions are: F1 = -9Ni + 0.4Nj…

A:

Q: A 50 kg crate is at rest on a horizontal floor. The coefficient of static friction between crate and…

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Q: An antelope is being pulled by two forces whose vector-component expressions are: F1 = -6Ni +…

A: Given: F→1=-6i⏜-7.5j⏜-9.2k⏜F→2=-0.9i⏜+0.1j⏜-6.7k⏜

Q: A block with a mass of 4.58 kg is on a horizontal surface. The coefficients of static and kinetic…

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Q: If a net horizontal force of 132 N is applied to a person with mass 60 kg who is resting on the edge…

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Q: The drawing shows a circus clown who weighs 920 N. The coefficient of static friction between the…

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Q: A person whose weight is  516 N is being pulled up vertically by a rope from the bottom of a cave…

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Q: A block weighing 30 N is being pushed horizontally with a force of 60 N. What is the magnitude of…

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Q: A crate of mass 33.9 kg rests on a level surface, with a coefficient of kinetic friction 0.142. You…

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Q: Three forces are acting on a box of mass 5 kg. The first force has a magnitude of 10 N and is…

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Q: An antelope is being pulled by two forces whose vector-component expressions are: F1 = -9.9Ni +…

A:

Q: An 80 kg block is being pushed by a force F on a frictionless inclined plane making an angle of 20°…

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Q: What is the vertical component of the force 5 N acting on a particle along a direction making an…

A: A vector A making an angle θ has two component . horizontal component =A cosθ vertical component =A…

Q: An antelope is being pulled by two forces whose vector-component expressions are: F1 = -2.7Ni +…

A: Given data F→1=−2.7i−2.4j^−7.4k^F→2=−8.3i^+0.5j^+6.4k^ Dot product between two vector is defined as…

Q: If a net horizontal force of 132 N is applied to a person with mass 60 kg who is resting on the edge…

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Q: Cassie is sitting on a frictionless playground slide that makes an angle θ with the horizontal.…

A: Cassie is sitting on a frictionless playground slide that makes an angle θ with the horizontal.…

Q: A sled is pulled at a constant velocity across a horizontal snow surface. If a force of 4.0 x 10^1 N…

A: The free body diagram of the sled is given below.

Q: A 22 kg box is given a short push up a ramp that makes an angle of 50°. The coefficient of kinetic…

A: Given,

Q: A man is trying to move an object (m 14.0 kg) by pulling upward on the rope at an angle of 53° above…

A:

Q: woman exerts a horizontal force of 145 N on a box with a mass of 37.2 kg If the box doesn't move,…

A: Given Mass of box is m=37.2 kg Applied force is F=145 N

Q: A force of 12 N was used to pull a 6.0 kg block initially at rest along a horizontal surface that…

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Q: An antelope is being pulled by two forces whose vector-component expressions are: F1 = -3.3Ni +…

A: Given forces F1 and F2, the angle between them, θ, is given as, cosθ=u·vuv

Q: A construction worker with a weight of 850 N stands on a roof that is sloped at 20°. What is the…

A: Given  weight of constructor(W)=850 N inclined angle of roof=200

Q: A woman is trying to pull a loaded sled of mass m=75 kg along a horizontal surface with a rope. The…

A: Given that, Mass = 75 kg Coefficient of friction = 0.10 Angle = 42o

Q: A 5 kg box is being subjected to the following Forces: 5 N North 11 N West 17 N South 3 N East 14 N…

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Q: A block with mass 2500g is pulled by a horizontal rope along a horizontal frictionless surface. If…

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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: