PSU11A Work Notes

Fill in the Blanks

Example 5: A person is hauling their taco stand and it takes 3500 J of work to stop the taco stand. What force was exerted on the taco stand if it took 1.5 meters to stop?

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