Consider the quantities of pressure, power, energy, impulse, gravitational potential, electric charge, temperature, and area. Out of these, the only vector quantities are:
| 1. | impulse, pressure, and area |
| 2. | impulse and area |
| 3. | area and gravitational potential |
| 4. | impulse and pressure |
(b) Hint: The vector quantities also have directions.
Step 1: Find the quantities with magnitude and directions.
We know that impulse J = F. t =p, where Fis force, t is the time duration, and p changes in momentum. As p is a vector quantity, hence impulse is also a vector quantity. Sometimes the area can also be treated as a vector.
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