Physical Science 15.2

Multiple Choice

What energy conversion occurs as a result of friction?

• chemical energy to thermal energy

• kinetic energy to potential energy

• kinetic energy to thermal energy

• pot

Multiple Choice

At what point in a pendulum’s swing does it have maximum kinetic energy?

• highest point of the swing

• lowest point of the swing

• halfway between the lowest & highest point

• same at all positions of the swing

Multiple Choice

Based on Einstein’s equation for the equivalence of energy and mass, how much energy is produced by the conversion of 1 kilogram of mass to energy?

• 3*10³ J

• 3*10⁵ J

• 9*10⁵ J

• 9*10¹³ J

Multiple Choice

According to the law of conservation of mass, energy can be converted from one from to another but not created or destroyed.

• true

• false