The work done is 200 J
Explanation:
The work done by a force applied to move an object is given by:

where
F is the magnitude of the force
d is the displacement of the object
is the angle between the direction of the force and of the displacement
In this problem, assuming that the force applied by the workers is parallel to the direction of motion of the crate, we have:
F = 10.0 N
d = 20.0 m

Therefore, the work done is:

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If the springs are connected together from end to end, they are arranged in series. For springs in series, the forces are additive.
Spring 1: F1 = k1(Δx1)
Spring 2: F2 = k2(Δx2)
Spring 1: F3 = k3(Δx3)
Total Force = k1(Δx1)+k2(Δx2)+k3(Δx3)
Total Force = (k1+k2+k3)(Δx,total)
The spring constants are added together and multiplied with the total length of elongation to find the total force acting on it.
Answer:
There are three species of land iguana found in the Galapagos Islands. The well-known yellowish land iguanas include Conolophus subcristatus, native to six islands, and Conolophus pallidus, found only on the island of Santa Fe.
Classic mechanics and atomic physics
the answer to the complicated question is a diploid