Mass vs. Weight

Q.

What do you mean by apparent weight? What is the apparent weight of a body during free fall?

Q.

Weight always acts vertically downwards.

1. True
2. False

Q.

How to calculate the mass of an object if the weight is given on the moon?

Q. For moon, $g=1.67m{s}^{-2}$ and $R=1.74\times {10}^{6}m$.
The Moon's mass is ___ $\times {10}^{22}kg$.

1. 7.6

Q. If the mass of a body is $10kg$ and acceleration due to gravity at a place is $9.8m{s}^{-2}$, then weight of body is .

1. $98kg$
2. $98N$
3. $98m{s}^{-2}$

Q.

The weight of an object always acts vertically downwards.

1. True
2. False

Q. Which instrument is used to measure the weight of an object ?

1. Beam-balance
2. Screw gauge
3. Spring-balance
4. Meter scale