Momentum (VCE SSCE Physics): Quizzes

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Momentum
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What is the SI unit for momentum?

kgms1\text{kg} \cdot \text{m} \cdot \text{s}^{-1}

What type of quantity is momentum?

Vector with magnitude & direction

In a closed system with no external forces, what happens to total momentum during a collision?

Remains constant

What is the key difference between inertia and momentum?

Inertia exists when stationary; momentum needs motion

What is impulse defined as?

Change in momentum

In an elastic collision, what happens to total kinetic energy?

It is conserved

In an inelastic collision, what happens to kinetic energy?

KE after < KE before

What does the area under a force-time graph represent?

Impulse

What is the formula for kinetic energy?

Ek=12mv2E_k = \frac{1}{2}mv^2

When two objects stick together after collision, what is the combined mass in the equation?

m3=m1+m2m_3 = m_1 + m_2

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