my
Imin
E
►F
vom
Comprehension-1
500 5
Two blocks of equal mass m are connected by an unstretched spring and
the system is kept at rest on a frictionless horizontal surface. A constant
force F is applied on the first block pulling it away from the other as shown
in figure. (Initially system is at rest)
1. Then the displacement of the centre of mass in time tis
Ft2
Ft
Ft
(A)
Ft?
(B)
(C)
(D)
2m
3m
4m
2. If the extension of the spring is to at time t, then the displacement of the right block at this instant is:
1 (Ft2
1 Ft2
1 (F1²
Ft2
(A)
(B)
(C)
-Xo
(D)
2 2m
22m
22m
2m
+xo
+xo
+xo
3.
If the extension of the spring is Xo at time t, then the displacement of the left block at this instant is:
Ft?
1 Ft?
12Ft?
1 Ft
(A) -xo
(B)
(C)
(D)
- Хо
2m
2 | 2m
2
22m
+ Хо
-xo
m
Answers
my
Imin
E
►F
vom
Comprehension-1
500 5
Two blocks of equal mass m are connected by an unstretched spring and
the system is kept at rest on a frictionless horizontal surface. A constant
force F is applied on the first block pulling it away from the other as shown
in figure. (Initially system is at rest)
1. Then the displacement of the centre of mass in time tis
Ft2
Ft
Ft
(A)
Ft?
(B)
(C)
(D)
2m
3m
4m
2. If the extension of the spring is to at time t, then the displacement of the right block at this instant is:
1 (Ft2
1 Ft2
1 (F1²
Ft2
(A)
(B)
(C)
-Xo
(D)
2 2m
22m
22m
2m
+xo
+xo
+xo
3.
If the extension of the spring is Xo at time t, then the displacement of the left block at this instant is:
Ft?
1 Ft?
12Ft?
1 Ft
(A) -xo
(B)
(C)
(D)
- Хо
2m
2 | 2m
2
22m
+ Хо
-xo
mmy
Imin
E
►F
vom
Comprehension-1
500 5
Two blocks of equal mass m are connected by an unstretched spring and
the system is kept at rest on a frictionless horizontal surface. A constant
force F is applied on the first block pulling it away from the other as shown
in figure. (Initially system is at rest)
1. Then the displacement of the centre of mass in time tis
Ft2
Ft
Ft
(A)
Ft?
(B)
(C)
(D)
2m
3m
4m
2. If the extension of the spring is to at time t, then the displacement of the right block at this instant is:
1 (Ft2
1 Ft2
1 (F1²
Ft2
(A)
(B)
(C)
-Xo
(D)
2 2m
22m
22m
2m
+xo
+xo
+xo
3.
If the extension of the spring is Xo at time t, then the displacement of the left block at this instant is:
Ft?
1 Ft?
12Ft?
1 Ft
(A) -xo
(B)
(C)
(D)
- Хо
2m
2 | 2m
2
22m
+ Хо
-xo
mmy
Imin
E
►F
vom
Comprehension-1
500 5
Two blocks of equal mass m are connected by an unstretched spring and
the system is kept at rest on a frictionless horizontal surface. A constant
force F is applied on the first block pulling it away from the other as shown
in figure. (Initially system is at rest)
1. Then the displacement of the centre of mass in time tis
Ft2
Ft
Ft
(A)
Ft?
(B)
(C)
(D)
2m
3m
4m
2. If the extension of the spring is to at time t, then the displacement of the right block at this instant is:
1 (Ft2
1 Ft2
1 (F1²
Ft2
(A)
(B)
(C)
-Xo
(D)
2 2m
22m
22m
2m
+xo
+xo
+xo
3.
If the extension of the spring is Xo at time t, then the displacement of the left block at this instant is:
Ft?
1 Ft?
12Ft?
1 Ft
(A) -xo
(B)
(C)
(D)
- Хо
2m
2 | 2m
2
22m
+ Хо
-xo
mmy
Imin
E
►F
vom
Comprehension-1
500 5
Two blocks of equal mass m are connected by an unstretched spring and
the system is kept at rest on a frictionless horizontal surface. A constant
force F is applied on the first block pulling it away from the other as shown
in figure. (Initially system is at rest)
1. Then the displacement of the centre of mass in time tis
Ft2
Ft
Ft
(A)
Ft?
(B)
(C)
(D)
2m
3m
4m
2. If the extension of the spring is to at time t, then the displacement of the right block at this instant is:
1 (Ft2
1 Ft2
1 (F1²
Ft2
(A)
(B)
(C)
-Xo
(D)
2 2m
22m
22m
2m
+xo
+xo
+xo
3.
If the extension of the spring is Xo at time t, then the displacement of the left block at this instant is:
Ft?
1 Ft?
12Ft?
1 Ft
(A) -xo
(B)
(C)
(D)
- Хо
2m
2 | 2m
2
22m
+ Хо
-xo
m