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Questions and Answers
What is the formula for momentum?
What is the formula for momentum?
- Momentum = mass + velocity
- Momentum = mass × velocity
- Momentum = mass - velocity (correct)
- Momentum = mass / velocity
According to the principle of conservation of momentum, what happens to momentum if no external force acts on it?
According to the principle of conservation of momentum, what happens to momentum if no external force acts on it?
- Momentum changes direction
- Momentum is created
- Momentum cannot be created or destroyed (correct)
- Momentum is destroyed
What does Newton's second law of motion relate to?
What does Newton's second law of motion relate to?
- The rate of change of momentum of a body (correct)
- The rate of change of acceleration of a body
- The rate of change of velocity of a body
- The rate of change of mass of a body
If a force $F$ acts on a body with mass $m$, and the initial velocity is $V_1$ and final velocity is $V_2$, what is the relationship between these quantities?
If a force $F$ acts on a body with mass $m$, and the initial velocity is $V_1$ and final velocity is $V_2$, what is the relationship between these quantities?
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What does the term $ma$ represent in the equation $F = m(V_2 - V_1) = ma$?
What does the term $ma$ represent in the equation $F = m(V_2 - V_1) = ma$?
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