Exam 4: Work and Energy

The ______________ distance is used in calculating work.

The energy of position is called

A watt is one ______________ per second.

The time rate of doing work is called ______________.

The product of one ______________ and one meter is one joule.

When a moving object's velocity doubles, its kinetic energy increases by a factor of ______________.

When the kinetic energy of a simple pendulum decreases, the ______________ of the pendulum increases.

One positive aspect of the potential use of methane hydrate as a fuel is that

The kilowatt-hour is a unit of ______________.

In changing from one form to another, energy is always ______________.

Which of the following is a unit of energy?

The product of force times parallel distance is called ______________.

The process by which electricity can be generated by using running or falling water is known as

Which of the following is a unit of power?

One watt is equal to ______________ per second.

The sum of the kinetic energy and potential energy is called ______________ energy.

The value of an object's gravitational potential energy depends on the ______________.

A student with a 5.0-kg book bag on her way to class climbs two flights of stairs (a 10-m vertical distance) in 15 s. At what rate did the student do work in carrying the book bag up the stairs?

Although the United States has less than 5% of the world's population, it accounts for approximately ______________ of the world's annual consumption of fossil fuels.

The units of work are the same as those of ______________.