# Weight

## Trending Questions

**Q.**Why do we feel weightlessness during free fall?

**Q.**A boy have a mass of 50 kg. Taking g=10 ms−2, his weight on the Earth would be

- 0 N
- 600 N
- 500 N

**Q.**On what factors does weight depends

**Q.**

A boy having a mass of 50 kg. What would be his weight on the Earth? (g = 10 m/s^{2})

500 N

600 N

700 N

800 N

**Q.**

What is the weight of an object of mass $1kg?$

**Q.**A coin and a piece of paper are dropped simultaneously from the same height . which of them will touch the ground first and why?

**Q.**How much gravitational force do we exert on the earth?

**Q.**

A boy weighing 600 N was in a lift. If the lift started falling freely under the action of gravity, his apparent weight would be

- 0 N
- 100 N
- 600 N

**Q.**

In which of the following conditions will the weight of a body would not be zero

A. At the centre of the earth

B. During a free fall

C. In interplanetary space

D. On a frictionless surface

**Q.**

What is the value of the acceleration due to gravity at the centre of earth?

- Can not be determined
- Infinite
- 0 m/s 2
- Greater than that at surface

**Q.**

Where will be the true weight of the body be zero?

**Q.**

The force of gravitation between two bodies in the universe does not depend on:

the distance between them

the product of their masses

the sum of their masses

gravitational constant

**Q.**

Consider a heavenly body which has a mass twice that of the earth and a radius thrice that of the earth. The weight of a book on this heavenly body, if its weight on the earth is $900\mathrm{N}$ will be :

$400N$

$600N$

$500N$

$200N$

**Q.**

What do you mean by weight of a body ? State the S.I unit of weight .

**Q.**

**Question 12**

The weight of an object at the center of the earth of radius R is

(a) zero

(b) infinite

(c) R times the weight at the surface of the earth

(d) 1R2 times the weight at surface of the earth

**Q.**Acceleration due to gravity at poles is ___ than/as that at equator.

- half
- same
- greater
- lesser

**Q.**

**Question 2**

The value of acceleration due to gravity

(a) is same on equator and poles

(b) is least on poles

(c) is least on equator

(d) increases from pole to equator

**Q.**

Is our weight zero when we are going down in an escalator.If yes , why?

**Q.**

1) wat does it mean by apparent weight ??

2) a man of weight W is standing on a lift which is moving with a accelration a. what the apparent weight of the man ??

**Q.**A stone of weight w is thrown vertically upward into air from the ground level with initial speed Vo. if a constant force f due to air drag act on the stone throughout its flight . what will be the maximum height attained by the stone ?

**Q.**Milli equivalent of 10ml h2s04 whose specific gravity is 1.2 and it is 49 percent by weight

**Q.**

A boy was standing on a weighing scale in a lift, it showed a reading of 600 N. The lift experienced a breakdown and started falling freely under the action of gravity, what would be the reading of the weighing scale?

100 N

600 N

0

can't be said

**Q.**

The force of gravitation between two bodies in the universe does not depend on:

the distance between them

the product of their masses

the sum of their masses

gravitational constant

**Q.**A man weighs 600 N on the equator, but when he moves to pole he finds a slight increase in his weight. This is because of the

- change in radius
- rotation
- revolution

**Q.**

**Question 2**

What do you mean by acceleration due to gravity?

**Q.**

Person A has more mass more than person B. Person

**Q.**1. Weight of an object on the moon is 1/6th of its weight on the earth. True or False?

2. How much would a 70 kg man weigh on the moon? What would be his mass on the earth and on the moon? (Acceleration due to gravity on moon =1.63 m/s2)

[3 MARKS]

**Q.**

What is accuracy and precision? With examples.

Why do we take averages when there are more than one experiment ?

**Q.**The acceleration due to gravity is more at the Poles than at the Equator.

- True
- False

**Q.**Acceleration due to gravity at poles is ___ than/as that at equator.

- lesser
- same
- half
- greater