PSU11A Work Notes

Categorize

Options (10)

how fast

speed

velocity

force

weight

kinetic energy

potential energy

work

distance

displacement

Match the units

Joules

Newtons

m/s

meters

Match

Match the following

• push or pull that causes an object to move, stop, or change direction

• unit used to measure force

• something returning to its original shape after being squeezed or stretched

• force transmitted through a rope , string, cable, or wire when it is pulled tight by forces acting from opposite ends

• push or pull exerted by a magnet

force

Newton

elastic

tension

magnetism

• force

• Newton

• elastic

• tension

• magnetism

Multiple Choice

These skydivers are experiencing what two forces?

• electricity and magnetism

• gravity and tension

• air resistance and gravity

• gravity and normal force

Multiple Choice

What is the net force?

• 400 N Up
• 400 N Down
• 800 N Up

• 800 N Down

Multiple Choice

As fluids are ______, they become _____ dense and rise.

• Heated; more

• Heated; less

• Cooled; more

• Cooled; less

Multiple Select

What two states of matter are considered fluids?

• Solids

• Liquids

• Gases

• Plasma

Multiple Choice

Which liquid is the least dense?

• oil
• water
• syrup 
• plastic bottle

Multiple Choice

The diagram represents the movement of the mantle under the earth's crust. Which process is represented by the diagram?

• rotation
• conduction
• radiation
• convection

Multiple Choice

When was Marie driving the fastest?

• C to D

• D to E

• E to F

Multiple Choice

What does the slope of a position vs time graph tell you?

• Displacement

• Distance traveled

• Velocity

• Acceleration

Multiple Choice

During what period of time was Marie stopped?

• 0-5 minutes

• 5-10 minutes

• 10-25 minutes

• 25-30 minutes

Multiple Choice

How far did Marie go before she turned around?

• 20 mi

• 5 mi

• 10 mi

• 25 mi

Multiple Choice

Which of these position vs. time graphs shows an object changing direction?

Multiple Choice

Which force prevents a book from falling through a table?

• Gravity force

• Friction force

• Air resistance force

• Normal force

Multiple Choice

What force acts between two objects that have an electric charge?

• Gravitational force

• Frictional force

• Electrostatic force

• Tensile force

Multiple Choice

What type of friction is not moving?

• static

• kinetic

• fluid

Multiple Choice

The SI Unit of force is

• Pascal
• Meter/second
• Newton
• kg

Multiple Choice

At which point(s) on the roller coaster is the kinetic energy at its maximum?

• A
• B
• C
• D

Multiple Choice

The rock in the picture is pushed over the edge and it begins to fall. Which type of energy conversion is taking place?

• mechanical to heat

• sound to mechanical

• potential to kinetic

• kinetic to potential

Multiple Choice

What is the total mechanical energy of a system if its kinetic energy is 150 J and its potential energy is 100 J?

• 50 J

• 150 J

• 250 J

• 100 J