Physics-
General
Easy
Question
With what minimum acceleration mass M must be moved on frictionless surface so that m remains stick to it as shown. The coefficient of friction between M & m is 
.
- g
g
The correct answer is:
Related Questions to study
physics-
The system shown is just on the verge of slipping . The co-efficient of static friction between the block and the table top is:
The system shown is just on the verge of slipping . The co-efficient of static friction between the block and the table top is:
physics-General
physics-
The velocity time graph of the fig. shows the motion of a wooden block of mass 1 kg which is given an initial push t = 0, along a horizontal table.
The velocity time graph of the fig. shows the motion of a wooden block of mass 1 kg which is given an initial push t = 0, along a horizontal table.
physics-General
physics-
The force required to stretch a spring varies with the distance as shown in the figure. If the experiment is performed with the above spring of half its natural length, the line OA will
The force required to stretch a spring varies with the distance as shown in the figure. If the experiment is performed with the above spring of half its natural length, the line OA will
physics-General
physics-
A small ball of mass M is attached to two identical springs of constant k, which are attached to floor and roof. The springs have unstretched length l/2. At what distance from the ceiling ball remain at equilibrium?
A small ball of mass M is attached to two identical springs of constant k, which are attached to floor and roof. The springs have unstretched length l/2. At what distance from the ceiling ball remain at equilibrium?
physics-General
physics-
A trolley is accelerating down an incline of angle 
with acceleration g sin. Which of the following is correct. (
is the angle made by the string with vertical).
A trolley is accelerating down an incline of angle with acceleration g sin. Which of the following is correct. ( is the angle made by the string with vertical).
physics-General
physics-
In the figure shown, A & B are free to move. All the surfaces are smooth. 
In the figure shown, A & B are free to move. All the surfaces are smooth.
physics-General
physics-
System is shown in figure. All the surfaces are smooth. Rod is moved by external agent with acceleration 9 m/s2 vertically downwards. Force exerted on the rod by the wedge will be:
System is shown in figure. All the surfaces are smooth. Rod is moved by external agent with acceleration 9 m/s2 vertically downwards. Force exerted on the rod by the wedge will be:
physics-General
Physics-
A stone is released from an elevator going up with an acceleration a. The acceleration of the stone after the release is
A stone is released from an elevator going up with an acceleration a. The acceleration of the stone after the release is
Physics-General
physics-
A ball is projected from point A with velocity 10m/sec. perpendicular to the inclined plane as in figure. Range of the ball on the incline is
A ball is projected from point A with velocity 10m/sec. perpendicular to the inclined plane as in figure. Range of the ball on the incline is
physics-General
physics-
Three projectiles A, B and C are thrown simultaneously from the same point in the same vertical plane. Their trajectories are shown in the figure. Then which of the following statement is false.
Three projectiles A, B and C are thrown simultaneously from the same point in the same vertical plane. Their trajectories are shown in the figure. Then which of the following statement is false.
physics-General
Physics-
A soap bubble has radius R and thickness d 
as shown. It colapses into a spherical drop. The ratio of excess pressure in the drop to the excess pressure inside the bubble is
A soap bubble has radius R and thickness d as shown. It colapses into a spherical drop. The ratio of excess pressure in the drop to the excess pressure inside the bubble is
Physics-General
physics-
Equal volumes of two immiscible liquids of densities r and 2r are filled in a vessel as shown in figure. Two small holes are punched at depth h/2 and 3h/2 from the surface of lighter liquid. If v1 and v2 are the velocities of a flux at these two holes, then v1/v2 is :
Equal volumes of two immiscible liquids of densities r and 2r are filled in a vessel as shown in figure. Two small holes are punched at depth h/2 and 3h/2 from the surface of lighter liquid. If v1 and v2 are the velocities of a flux at these two holes, then v1/v2 is :
physics-General
physics-
The diagram shows three concentric conducting spherical shells having radii T, 2R and 3R. The initial potential of each shell is as mentioned in the figure. If the inner most shell is earth then the charge present on its outer surface would be equal to
The diagram shows three concentric conducting spherical shells having radii T, 2R and 3R. The initial potential of each shell is as mentioned in the figure. If the inner most shell is earth then the charge present on its outer surface would be equal to
physics-General
physics-
The variation of gravitational field E and potential f as a function of x from the center of a uniform spherical mass distribution of radius R is correctly represented, from the following plots, by
The variation of gravitational field E and potential f as a function of x from the center of a uniform spherical mass distribution of radius R is correctly represented, from the following plots, by
physics-General
physics-
A (nonrotating) star collapses onto itself from an initial radius Ri with its mass remaining unchanged. Which curve in figure best gives the gravitational acceleration ag on the surface of the star as a function of the radius of the star during the collapse?
A (nonrotating) star collapses onto itself from an initial radius Ri with its mass remaining unchanged. Which curve in figure best gives the gravitational acceleration ag on the surface of the star as a function of the radius of the star during the collapse?
physics-General
