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Conceptual Physics Momentum Exam

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Conceptual Physics Momentum Exam Momentum - Answer-The product of the mass of an object and its velocity. Momentum = mass × velocity /.Momentum is... - Answer-a property of moving things. /.By momentum we mean... - Answer-Inertia in motion. /.Momentum in shorthand: - Answer-Momentum�...

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  • March 4, 2025
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Conceptual Physics Momentum Exam

Momentum - Answer-The product of the mass of an object and its velocity.
Momentum = mass × velocity

/.Momentum is... - Answer-a property of moving things.

/.By momentum we mean... - Answer-Inertia in motion.

/.Momentum in shorthand: - Answer-Momentum→Ρ =mv

/.When direction is not an important factor, we can say: - Answer-Momentum = mass ×
velocity

/.What is especially important when dealing with momentum? - Answer-Timing

/.The quantity force × time interval is called: - Answer-Impulse

/.Impulse - Answer-The product of the force acting on an object and the time during
which it acts.

/.Relationship of impulse and momentum - Answer-Impulse is equal to the change in
momentum of the object that the impulse acts upon. In symbol notation, Ft = I

/.Law of conservation of momentum - Answer-In the absence of an external force, the
momentum of a system remains unchanged. Hence, the momentum before an event
involving only internal forces is equal to the momentum after the event: *mv (before
event) = mv (after event)

/.Elastic collision - Answer-A collision in which colliding objects rebound without lasting
deformation or the generation of heat.

/.Inelastic collision - Answer-A collision in which the colliding objects become distorted,
generate heat, and possibly stick together.

/.Impulse = - Answer-Force x time

/.The delta symbol: ∆ - Answer-a letter in the Greek alphabet used to denote "change
in" or "difference in" FT= I

/.Ft = I - Answer-This relationship is derived by rearranging Newton's second law to
make the time factor more evident. If we equate the formula for acceleration, a =F/m,
with what acceleration actually is, a = ∆v/∆t, we get F/m = ∆v/∆t. From this we derive
F∆t = ∆Ρ. Calling ∆t simply t, the time interval, Ft = ∆Ρ.

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