Physics-
General
Easy
Question
A unidirectional force F varying with time 
as shown in the Fig acts on a body initially at rest for a short duration 2T. Then the velocity acquired by the body is
- zero
The correct answer is: zero
Related Questions to study
physics-
In the system shown in Fig, 
, and 
Friction is absent everywhere, and the string is inextensible and light. If the system is released from rest, then find the following.
The acceleration of Block A in horizontal direction is
In the system shown in Fig, , and Friction is absent everywhere, and the string is inextensible and light. If the system is released from rest, then find the following.
The acceleration of Block A in horizontal direction is
physics-General
physics-
In the system shown in Fig, , and Friction is absent everywhere, and the string is inextensible and light. If the system is released from rest, then find the following.
The acceleration of Block B is
In the system shown in Fig, , and Friction is absent everywhere, and the string is inextensible and light. If the system is released from rest, then find the following.
The acceleration of Block B is
physics-General
physics-
In the system shown in Fig, , and Friction is absent everywhere, and the string is inextensible and light. If the system is released from rest, then find the following.
The acceleration of Block C is
In the system shown in Fig, , and Friction is absent everywhere, and the string is inextensible and light. If the system is released from rest, then find the following.
The acceleration of Block C is
physics-General
physics-
In the system shown in Fig, , and Friction is absent everywhere, and the string is inextensible and light. If the system is released from rest, then find the following.
The tension in the string is
In the system shown in Fig, , and Friction is absent everywhere, and the string is inextensible and light. If the system is released from rest, then find the following.
The tension in the string is
physics-General
physics-
A block of mass ' m ' is placed on wedge of mass ' M '. If all the surfaces are smooth
Acceleration of masses ' m ' along x and y axes are 
and 
respectively. Accelaration of wedge is 'A'.
A block of mass ' m ' is placed on wedge of mass ' M '. If all the surfaces are smooth
Acceleration of masses ' m ' along x and y axes are and respectively. Accelaration of wedge is 'A'.
physics-General
physics-
Find the minimum acceleration of the wedge so that block under free fall
Find the minimum acceleration of the wedge so that block under free fall
physics-General
physics-
In the arrangement shown in figure wedge of mass M moves towards left with an acceleration a. All surfaces are smooth. The acceleration of mass 
relative to wedge is :
In the arrangement shown in figure wedge of mass M moves towards left with an acceleration a. All surfaces are smooth. The acceleration of mass relative to wedge is :
physics-General
physics-
Two blocks 
and 
of equal mass are connected through a massless string and arranged as shown in figure. Friction is absent everywhere. When the system is released from rest:
Two blocks and of equal mass are connected through a massless string and arranged as shown in figure. Friction is absent everywhere. When the system is released from rest:
physics-General
physics-
In fig. all the pulleys and strings are massless and all the surfaces are frictionless. Small block of mass m is placed on fixed wedge. (take 
) The acceleration of pully 
is
In fig. all the pulleys and strings are massless and all the surfaces are frictionless. Small block of mass m is placed on fixed wedge. (take ) The acceleration of pully is
physics-General
physics-
A slider block of mass 10 kg with a hanging rope is moving on an inclined surface at an angle of 30° with horizontal. A monkey of 10 kg is climbing on the rope with an acceleration of 
. The slider block also slides with acceleration of 
. The surface are smooth. How much force should he monkey apply to the rope to 
A slider block of mass 10 kg with a hanging rope is moving on an inclined surface at an angle of 30° with horizontal. A monkey of 10 kg is climbing on the rope with an acceleration of . The slider block also slides with acceleration of . The surface are smooth. How much force should he monkey apply to the rope to
physics-General
physics-
Block A moves on fixed incline. Surface PQ of block A is parallel to the inclined surface of the incline. The rod B rests on block A, as shown. All contacts are smooth. If the acceleration of the block A is a, find the acceleration of rod B :
Block A moves on fixed incline. Surface PQ of block A is parallel to the inclined surface of the incline. The rod B rests on block A, as shown. All contacts are smooth. If the acceleration of the block A is a, find the acceleration of rod B :
physics-General
physics-
Lifts A and B of masses 
and 
starts moving from rest with acceleration a in upward and downward directions respectively. Lift B is stopped after time t. If the strings are tight again in the interval of time 
, then is
Lifts A and B of masses and starts moving from rest with acceleration a in upward and downward directions respectively. Lift B is stopped after time t. If the strings are tight again in the interval of time , then is
physics-General
physics-
A smooth ring of mass m can slides on a fixed horizontal rod. A string tied to the ring passes over a fixed pulley B and carries a block C of mass 2 m as shown below. As the ring starts sliding :
A smooth ring of mass m can slides on a fixed horizontal rod. A string tied to the ring passes over a fixed pulley B and carries a block C of mass 2 m as shown below. As the ring starts sliding :
physics-General
physics-
A boy of mass 40 kg stands in a frame of mass 360 kg. He pulls on a light rope which passes over a pulley. The other end of the rope is firmly attached to the frame. What force should be exerted by the boy on the rope for the system to be in equilibrium ? ( g= acceleration due to gravity)
A boy of mass 40 kg stands in a frame of mass 360 kg. He pulls on a light rope which passes over a pulley. The other end of the rope is firmly attached to the frame. What force should be exerted by the boy on the rope for the system to be in equilibrium ? ( g= acceleration due to gravity)
physics-General
physics-
Two insects each of mass m moves with accelerations 
relative to the light inextensible string as shown in the figure. The ratio of tensions in the portions AB and BC of the string is:
Two insects each of mass m moves with accelerations relative to the light inextensible string as shown in the figure. The ratio of tensions in the portions AB and BC of the string is:
physics-General
