Motion and Force
Tension in string:
A) Pull force transmitted
B) Push only
C) Always zero
D) Only in solids melting
Elastic collision conserves:
A) KE and momentum
B) Only momentum
C) Only KE
D) Neither
Inelastic collision:
A) KE not conserved
B) Momentum not conserved
C) No contact
D) No deformation
Work done W equals:
A) F d cos theta
B) mv
C) mgh only always
D) Fd always 90
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