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6 questions
What is Newton's first law?
For every action, there is an equal and opposite reaction.
An object in motion or at rest will stay in motion or at rest until acted upon.
F=ma
Something about penguins.
What are the units for Work?
Newtons
Kilograms
Joules
Moles
What is the equation for Work?
W = Fd
W = md
W = Fa
W = mv
If you had a force (F) of 20N pushing a ball 2 meter (m), what would be the Work (W) being done?
10 Joules
40 Joules
22 Joules
18 Joules
What is the equation for Kinetic Energy (KE)?
$KE\ =\ 2mv^2$
$KE\ =\ 2mv$
$KE\ =\ mv^2$
Work can also be shown as
$W\ =\ \Delta KE$$KE_i\ -\ KE_f$
$KE_f\ -\ KE_i$
$KE\ +\ KPOP\ =\ BbyMtl$
$42?$
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