Momentum and Conservation | GCSE Physics Questions
Momentum is a vector quantity that depends on an object's mass and velocity.
A 2kg ball moves at 5m/s. What is its momentum?
What is Momentum and Conservation | Questions?
"The product of the mass and velocity of an object ($p=mv$)."
What is the resultant force on an object if a 10N force acts right and a 4N force acts left?
Which of these is the correct vector equivalent of 'Distance'?
An object moves at a constant velocity. What is the resultant force?
What is the unit of the spring constant (k)?
Momentum Facts
Momentum (kg m/s) = Mass (kg) x Velocity (m/s).
Conservation of momentum: Total momentum before a collision = total after.
A stationary object has zero momentum.
Momentum has direction because velocity is a vector.
Collision Tip: In problems where objects stick together after a crash, remember to add their masses to find the new total mass.
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