Is positive or negative work done by a constant force vector →F on a particle during a straight-line displacement vector→d if (a) the angle between vector →F and vector→d is 30◦; (b) the angle is 100◦; (c) vector→F = 2ˆi − 3ˆj and vector→d = −4ˆi?

Q: A box of mass m = 2 kg is kicked on a rough horizontal plane with an initial velocity v_O. If the…

A: Work energy theorem  It states that work done is equal to the change in kinetic energy.  W= ∆K.E

Q: 1. A block of mass m = 2.50 kg is pushed a distance d = 2.20 m along a frictionless, horizontal…

A:

Q: A force is given by the vector F= (12 i + 10 j) N and moves from the point (4i + 3j)m to the point…

A:

Q: A force F = (20.0i + 18.0j + 24.0k) N acts on a small object of mass 95 kg. i.    What will be the…

A:

Q: A constant force F = (2.0i + 4.0j ) N acts on a particle as it moves along a straight line path. If…

A:

Q: A force F = (20.0i + 18.0j + 24.0k) N acts on a small object of mass 95 kg. What will be the…

A:

Q: When 20 N of force is applied to a spring of natural length 2 m, the resulting compression is 0.5 m.…

A:

Q: A block of mass 2.50 kg is pushed 2.20 m along a frictionless horizontal table by a constant 16.0-N…

A: mass = 2.50 Kg d = 2.20  F = 16N directed towards below the horizontal

Q: P.1. A block of mass m= 2.50 kg is pushed a distance d= 2.20 m along a frictionless, horizontal…

A: (a) The work done on the block by the applied force is given by Wa=Fdcosθ=16.0 N2.20 mcos25.0°=31.9…

Q: A constant force of magnitude 10 N makes an angle of 150 (measured counterclockwise) with the…

A: The expression of the force in x and y directions,

Q: Find the work done by a force of constant magnitude F=0,1KN.If the displacement of the body is…

A: Given data: Force, F=0.1 kN = 100 N Displacement, r=100 mm =100×10-3 m = 0.1 m Angle between…

Q: A particle moves along a curved path y(x) = (10 m){1 + cos[(0.1 m−1)x]}, from x = 0 to x = 10ππ m,…

A:

Q: Calculate the work done by the force F(x, y) = y2 i + xy j in moving a particle along the line which…

A:

Q: Two forces, F→1=(1.70i^−0.60j^+0.60k^)N and F→2=(−0.50i^+1.20j^)N  are applied on a moving object of…

A: The net force on the object is, F→=F1→+F2→=1.70i^-0.60j^+0.60k^+-0.50i^+1.20j^=1.20i^+0.60j^+0.60k^N…

Q: From the force vs displacement graph, find the total work done on the particle from x-0 to x-6.0m…

A:

Q: A coin slides over a frictionless plane and across an xy coordinate system from the origin to a…

A:

Q: A particle is given a displacement Δr = (2.0m)i – (5.0m)j along a straight line. During the…

A: Given data: Displacement of particle, ∆r→=2.0 mi^+5.0 mj^ Force exerts on a particle, F→=3.0…

Q: When a particle of mass m is at (x,0), it is attracted toward the origin with a force whose…

A:

Q: A block of mass 2.56 kg is pushed 2.62 m along a frictionless horizontal table by a constant 16.5 N…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Is positive or negative work done by a constant force −→F on a particle during a straight-line…

A: The work done on an object is. W = F.d W = Fd sin (a)

Q: A force is given by the vector F = (3,7, 2) and moves a particle from the point P(0, 1, 2) to the…

A: Given data The coordinate of the force is given as F = (3,7,2). The coordinates of the point P is…

Q: A force F= (20.0i +18.0j+ 24.0k) N acts on a small object of mass 95 kg. 1. What will be the…

A: The equation for the force, F=20i^+18j^+24k^ N Mass of the object, m=95 kg

Q: A particle is acted upon by only two forces, one conservative and one nonconservative, as it moves…

A: Given, A particle is acted upon by only two forces, one conservative and one non conservative as it…

Q: Suppose that a variable force F(x) is applied in the positive x-direction so that an object moves…

A: The work done (W) by a force on an object or a body is defined as the product of the force applied…

Q: particle moving in the xy plane undergoes a displacement given by A7 = (2.01 + 3.01) m as a constant…

A:

Q: block of mass m = 2.50 kg is pushed d = 2.70 m along a frictionless horizontal table by a constant…

A:

Q: F m

A:

Q: An external force of F(x) = (250.0x + 170.0x2 + 21.0x) N is applied on an object. The mass of the…

A:

Q: An object in a horizontal surface was moved by applying a constant force (N), F = 16i + 10j. If the…

A:

Q: A force given by (6i – 3j) N acts on an object experiencing a displacement given by (3i – j) m.…

A: Given, Force,F=6i-3j Displacement, d=3i-j

Q: One end of a horizontal spring ( k = 80 N/m) is held fixed while an external force is applied to the…

A:

Q: If a constant force F is applied to an object, and the resulting movement of the objectis…

A: The work is done by an object when a force acts on it over a distance. The mathematical form of work…

Q: A-D please!!

A: a) The required work done by the applied force is, b) The required work done by normal force is,

Q: A block of mass m = 2.0 kg is pushed a distance d = 4.0 m along a friction surface with coefficient…

A:

Q: Only if a force on a particle is conservative: O it does no work when the particle moves exactly…

A: Conservative force is define as when the work by that force of an object is independent of the…

Q: A block of mass m =5 kg is pushed along a rough horizontal table over a distance d=2.8 m by a…

A:

Q: A boy of mass m= 36 kg is standing initially at rest relative to the moving walkway, which has a…

A: Given that the value of mass of the boy and velocity of the boy with respect to walkway and…

Q: If the net work done by external forces on a particle is zero, which of the following statements…

A: The work-energy theorem states that the net work done by the object will be equal to the change in…

Q: Write and expression for the work performed by a force that is dependent of the position between…

A: Given : F0 = (A × 2) N Displacement, d = 5.0

Q: One end of a horizontal spring (k=80 N/m) is held fixed while an external force is applied to the…

A: Spring constant (k) = 80 N/m xf = 0 m xB = 4 cm = 0.04 m

Q: A force is called a conservative force if: a) The work done by the force is independent of the path.…

A: Forces are classified as conservative and non-conservative forces. A force is defined as…

Q: A constant force F acts on an object as it goes through a displacement of s. Which of the following…

A:

Q: A particle moving in the xy plane undergoes a displacement given by Af = (2.0î + 3.0j) F = (5.0i +…

A: ∆r→ = 2 i^ + 3 j^F→ = 5 i^ + 2 j^

Q: A block of mass 2.50 kg is pushed 3.00 m along a frictionless horizontal table by a constant 18.0 N…

A: mass of block (m) = 2.50 kg distance moved (d) = 3 m Force (F) = 18 N direction of force = 25o below…

Q: An object in a horizontal surface was moved by applying a constant force (in Newtons), F = 8î + 5j.…

A: a) The work done will be the product of the component of the force in the direction of the…