Work and Energy

What do you not need to calculate gravitational potential energy

• Mass

• Height

• Gravitational acceleration

• None of the above

The SI unit for power is

• Lbs

• Newton

• Joules

• Watt

Does work with only one movement

• effecient Machine

• Simple Machine

• Compound Machine

• Powerful Machine

The Law of Conservation of Energy says

• Energy can be created or destroyed but can be coverted into other forms of energy

• Energy can not be created for destroyed but can not be converted into other forms of energy

• Energy can be destroyed but not created and can convert into other forms of energy.

• Energy can not be created or destroyed and can be converted into other forms of energy.

You body takes _______ energy and converts it to ________enregy to pick up books.

• Mechanical, chemical

• Mechanical, mechanical

• chemical, mechanical

• Kinetic, potential

The faster you can convert energy means the more _______ you have.

• Power

• energy

• strength

• Knowledge

If you add mass to an object that would increase the kinetic energy

• True

• False

Turning a light on in your house is an example of

• Converting electrical energy to radiant energy

• Turning chemical energy to mechanical energy

• Converting from Potential energy to Kinetic Energy

• All the obove

Holding a ball in a high position is an example of

• Kinetic Energy

• Mechanical Energy

• Potential Energy

• Power

GPE = M x ____ x hight

• Gravity

• Velocity

• Newtons

• Distance