NCERT Solutions
Board Paper Solutions
Ask & Answer
School Talk
Login
GET APP
Login
Create Account
Popular
Latest
Harshit Singh Avengers
Subject: Science
, asked on 13/2/18
What is gravitional force?
Answer
2
Ebin Joe
Subject: Science
, asked on 10/2/18
Sudhir took a solid iron cuboid having mass 5 kg and dimensions 30 cm x 20 cm x 10 cm. He kept the cuboid on the table. The force and the pressure exerted by this cuboid on the table top if it lies with its face of dimensions 20 cm x 10 cm respectively would be?
Answer
2
Hiteshna Gupta
Subject: Science
, asked on 9/2/18
Q
.
16
c
a
l
c
u
l
a
t
e
t
h
e
f
o
r
c
e
o
f
g
r
a
v
i
t
a
t
i
o
n
b
e
t
w
e
e
n
t
h
e
e
a
r
t
h
a
n
d
t
h
e
s
u
n
,
g
i
v
e
n
t
h
a
t
t
h
e
m
a
s
s
o
f
t
h
e
e
a
r
t
h
=
6
×
10
24
k
g
a
n
d
o
f
t
h
e
s
u
n
2
×
10
30
k
g
.
T
h
e
a
v
e
r
a
g
e
d
i
s
tan
c
e
b
e
t
w
e
e
n
t
h
e
t
w
o
i
s
1
.
5
×
10
11
m
.
Answer
1
Arpit Chhabra
Subject: Science
, asked on 4/2/18
State the conditions for an object to float in a fluid
Answer
1
G.a.harini
Subject: Science
, asked on 1/2/18
differences between density and rate of density
Answer
2
Sneha Maity
Subject: Science
, asked on 1/2/18
Please answer
26.
The weight of a rock on the moon is 200.6 N. What is its mass on the earth?
(
T
a
k
e
g
o
f
e
a
r
t
h
=
9
.
8
m
s
-
2
,
g
o
f
m
o
o
n
=
1
.
7
m
s
-
2
)
(A) 20 kg (B) 118 kg (C) 200 kg (D) 1180 kg
Answer
1
Vanshdeep Varshney
Subject: Science
, asked on 1/2/18
What is gravity?
Answer
2
Gautam Tyagi
Subject: Science
, asked on 30/1/18
If a man is standing in the ratio of 2:1 distance from moon and earth what will be the force of gravity acting on it and on which side will he be attracted?
Answer
1
Garima Srivastava
Subject: Science
, asked on 26/1/18
You find your mass to be 42 kg on a weighing machine. Is your mass more or less than 42 kg
Answer
4
Tejas Goyal
Subject: Science
, asked on 24/1/18
Q.3. What are the differences between gravitation and gravity?
Answer
1
Ujjwal
Subject: Science
, asked on 22/1/18
Q We observe that weight of a body is more at the poles than at the equator and sell them at poles,provided
a spring balance is used
an equal beam balance is used
a spring balance or a beam balance is used
the statement is false
Answer
1
Theodore Delacroix
Subject: Science
, asked on 19/1/18
Q. A ball is thrown horizontally from a point 100 m above the ground with a speed of 20 m/s. Which
statements is incorrect regarding the ball just before reaching the ground?
Horizontal distance covered by the ball is 90.35 m.
Time taken by the ball is 4.5 s.
Speed of the ball is 49 m /s
Displacement of the ball 110
2
m.
Answer
1
Gurkirat Singh
Subject: Science
, asked on 19/1/18
Blackhole attracts the light and according to universal law of gravitation: F=GM1M2/R^2
But mass of light is 0 then the after solving the above equation we get F=0
Thrn why is light attracted towards blackhole
Answer
2
Sneha Suresh
Subject: Science
, asked on 19/1/18
A boy throws a ball vertically upwards and catches it back in 10sec . Calculate 1. the velocity with which it was thrown up 2. the height attained by the ball
Answer
1
Devhuti
Subject: Science
, asked on 17/1/18
A given solid is weighted using a spring balance . It is then weighted by immerising it fully in each 9f the three vessels A,B,C containing water as shown in Q . No 25 in which vessel the weight will be minimum . Give sutable reason for your answer
Answer
2
Prev
3
4
5
6
7
Next
What are you looking for?
26. The weight of a rock on the moon is 200.6 N. What is its mass on the earth?
(A) 20 kg (B) 118 kg (C) 200 kg (D) 1180 kg
statements is incorrect regarding the ball just before reaching the ground?
But mass of light is 0 then the after solving the above equation we get F=0
Thrn why is light attracted towards blackhole