Explain the difference between mass and weight.
(N/A) The differences between mass and weight are summarized in the table below:
| Mass | Weight |
|---|---|
| $1$. It is the quantity of matter contained in a body. It is denoted by $m$. | $1$. It is the gravitational force acting on a body. It is denoted by $W$. |
| $2$. It is a scalar and fundamental physical quantity. | $2$. It is a vector and derived physical quantity. |
| $3$. The mass of an object can never be zero. | $3$. The weight of an object can be zero. At the center of the Earth,$g = 0$,so the weight is zero. |
| $4$. Its $SI$ unit is $kg$. | $4$. Its $SI$ unit is $newton$ $(N)$. |
| $5$. Mass remains constant everywhere. | $5$. Weight varies from place to place. |
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