A baseball player slides into third base. Why, according to the modern model of mechanics, does the player eventually come to rest?
A. All moving objects naturally come to rest eventually.
B. Friction overpowers the force of the player’s motion.
C. The force of the player’s motion eventually wears out.
D. A friction interaction changes the player’s motion.
E. Other (specify).
D. A friction interaction changes the player’s motion.
You might also like to view...
In any collision
A. total momentum is not conserved. B. total kinetic energy is conserved. C. total momentum is conserved. D. total momentum is not conserved but total kinetic energy is conserved. E. total momentum and total kinetic energy are conserved and the masses are equal.
The magnitude of the total negative charge on the electrons in 1 kg of helium (atomic number 2, atomic mass 4) is:
A) 48 C B) 2.4 × 107 C C) 4.8 × 107 C D) 9.6 × 107 C E) 1.9 × 108 C
The force exerted on an electron moving in a magnetic field is maximum when the electron moves
A) parallel to the magnetic field. B) perpendicular to the magnetic field. C) either of these D) neither of these
When a star collapses to half size, the gravitational field at its surface
A) doubles. B) quadruples. C) increases eightfold. D) remains constant.