How much work is done by a person who us...

How much work is done by a person who uses a force of 27.5 N to move a grocery buggy 12.3 m ?

1014.75 J

676.5 J

338.25 J

169.125 J

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Mathematically, work is defined as the product of froce and displacement through which force acts. If F is the applied force, 'S' is the displacement in the direction of applied force and W is the work done, then : Work done = Force xx Displacement through which force acts. W = F xx S The SI unit of work is Joule (J) and cgs unit is erg. 1 J = 10^(7) erg. How much work is done by a person who uses a force of 50 N to move a grocery buggy 10 m ?

(a) When do we say that work is done ? Write the formula for the work done by a body in moving up against gravity. Give the meaning of each symbol which occurs in it. (b) How much work is done when a force of 2 N moves a body through a distance of 10 cm in the direction of force?

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How much work is done by a force of 10 N in moving an object through a distance of 1 m in the direction of the force ?

How much work in Joule is done by a force of 4 N is moving a body through a distance of 2 m in its own direction ?

An object is attracted toward the origin with a force of magnitude F=kx^(3) where k=5 N//m^(3) How much work is done by the force F when the object moves from 1 m to 2 m? is the work positive or negative

How much work is done by the gravitational force of earth acting on a satelite moving around it in a circular path ? Give reason for your answer.

A force of magnitude 25 N directed at an angle of 37^(@) above the horizontal moves a 10-kg crate along a horiaontal surface at constant velocity . How much work is done by this force in moving the crate a distance of 15 m ?

Force F=[3x^2hati+4hatj] N where , x in metres, acts on a particle. How much work is done on the particle as it moves from coordinates (2m,3m) to (3m, 0m)?

A charged particle is moving on a circular path of radius R in a uniform magnetic field under the Lorentz force F. How much work is done by the force in one round? Is the momentum of the particle changing?

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