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10 questions from this quiz
Kinetic and potential
Velocity in m⋅s−1\text{m} \cdot \text{s}^{-1}m⋅s−1
It only has magnitude, no direction
A system of objects
1 kg⋅m2⋅s−21\text{ kg} \cdot \text{m}^2 \cdot \text{s}^{-2}1 kg⋅m2⋅s−2
Ug=mghU_g = mghUg=mgh
Angle between force and displacement
When force is in direction of motion
Wnet=ΔEkW_{\text{net}} = \Delta E_kWnet=ΔEk
When friction and air resistance exist
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