A260 n crate initially at rest on the floor requires an applied f
of slightly more that 79 n to start it moving. draw a free-body diagram showing
all forces acting on the crate. find between the crate and floor.

Daughter element the new element produced along with a decay particle in a nuclear transmutation 2. half-life the substance that decays in a nuclear transmutation 3. parent element the change of one chemical element into another by nuclear decay or radioactive bombardment 4. transmutation the time required for the decay of one-half of the atoms in a sample of radioactive material