Question

the quantity that is called impulse can be measured by the ______. view available hint(s)

• addition of force and time
• difference between force and time
• product of force and time
• how long the force acts compared to the amount of time

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Explanation:

In physics (a subfield of Natural Science), impulse is defined as the product of force and the time interval over which the force acts. The formula for impulse \( J \) is \( J = F \times \Delta t \), where \( F \) is force and \( \Delta t \) is the time duration. So we analyze each option:

• "addition of force and time": Impulse is not a sum of force and time, so this is incorrect.
• "difference between force and time": Impulse is not a difference of force and time, so this is incorrect.
• "product of force and time": This matches the definition of impulse (\( J = F \times \Delta t \)), so this is correct.
• "how long the force acts compared to the amount of time": This describes a ratio, not impulse (which is a product), so this is incorrect.

Answer:

C. product of force and time