Work and Energy

The ability to do work is called...

• Power

• Energy

• Force

• Joule

What do object raised above the ground has?

• Potential energy

• heat energy

• chemical energy

• nuclear energy

Work equals force times ________

• matter

• weight

• power

• distance

Unit of Work is ______

• Joules

• Power

• Force

• Newtons

What is stored energy?

• Kinetic energy

• Power

• Heat energy

• Potential energy

The law of the conservation of energy states that energy cannot be created or ______________

• changed

• formed

• destroyed

• stored

Potential Energy = Weight x ________________

• length

• distance

• width

• height

A Battery is an example of _____________ energy

• Potential

• Chemical

• Kinetic

• Both Potential and Chemical

What is the S.I unit of work?

• N.m²

• (Kg.m²) / s²

• J/m

• J

In which scenario is work = 0 J ?

• Pushing a stationary wall

• Pulling a trolley car

• Pushing a book across the table

• Dropping a set of keys from a height, h.