NCUK IFY Physics - G) Work and Energy

What is the unit used to measure work?

• Joule
• Watt
• Newton
• Pascal

Tags

NGSS.HS-PS2-1

Work done = Force x _________

• distance

• acceleration

• velocity

• speed

What kind of energy?

• Potential

• Kinetic

• Work

• Chemical

What kind of energy does a moving skateboard have?

• Potential

• Kinetic

• Chemical

In which of the following situations do your arms do work on books?

• holding a heavy stack of books while standing

• carrying a heavy stack of books

• dropping a stack of books onto a table

• picking up a pile of books from the floor

The ability to do work is....

• work
• power
• acceleration
• energy

Tags

NGSS.HS-PS3-3

In which of the following is no work done

• climbing stairs

• lifting a book

• pushing a shopping trolley

• none of the above

• Kinetic energy is being transformed into potential energy

• Potential energy is being transformed into kinetic energy

• Energy is being created

• Energy is being destroyed

When energy moves from one form to another it is said to be _________________

• Transformed

• Eliminated

• Lost

• Created

When you rub your hands together on a cold day, you use friction to convert

• Mechanical energy into thermal energy

• Thermal energy into nuclear energy

• Nuclear energy into electrical energy.

• Electrical energy into radiant energy