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A car travels with constant speed on a circular road on level ground. In Fig. 7.312, Fair is the force of air resistance acts opposite to the motion of car. Which of the other forces shown best
01
Oct
A car travels with constant speed on a circular road on level ground. In Fig. 7.312, Fair is the force of air resistance acts opposite to the motion of car. Which of the other forces shown best A car travels with constant speed on a circular road on level ground. In Fig. 7.312 Fair is [...]
A block of mass m is projected on a smooth horizontal circular track with velocity v. What is the average normal force exerted by the circular walls on the block during its motion from A to B?
01
Oct
A block of mass m is projected on a smooth horizontal circular track with velocity v. What is the average normal force exerted by the circular walls on the block during its motion from A to B? A block of mass m is projected on a smooth horizontal circular track with velocity v. What is [...]
A particle is projected with a speed v0 = root gR. The coefficient of friction between the particle and the hemi-spherical plane is mu = 0.5. Then, the acceleration of the particle is
01
Oct
A particle is projected with a speed v0 = root gR. The coefficient of friction between the particle and the hemi-spherical plane is mu = 0.5. Then, the acceleration of the particle is A particle is projected with a speed v0 = root gR. The coefficient of friction between the particle and the hemi-spherical plane [...]
A block of mass m is revolving in a smooth horizontal plane with a constant speed v. If the radius of the circular path is R, find the total contact force received by the block.
01
Oct
A block of mass m is revolving in a smooth horizontal plane with a constant speed v. If the radius of the circular path is R, find the total contact force received by the block. A block of mass m is revolving in a smooth horizontal plane with a constant speed v. If the radius [...]
Two identical particles are attached at the ends of a light string which passes through a hole at the center of a table. One of the particles is made to move in a circle on the table with angular velocity
01
Oct
Two identical particles are attached at the ends of a light string which passes through a hole at the center of a table. One of the particles is made to move in a circle on the table with angular velocity F2 = 2 N as shown . If F1 is removed Figure 7.304 shows a [...]
Three identical particles are joined together by a thread as shown in Fig. 7.308. All the three particles are moving in a horizontal plane. If the velocity of the outermost particle is v0, then the ratio of tensions
01
Oct
Three identical particles are joined together by a thread as shown in Fig. 7.308. All the three particles are moving in a horizontal plane. If the velocity of the outermost particle is v0, then the ratio of tensions then the ratio of tensions Three identical particles are joined together by a thread as shown in [...]
When the string of a conical pendulum makes an angle of 45 with the vertical, its time period is T1. When the string makes an angle of 60 with the vertical, its time period is T2.
01
Oct
When the string of a conical pendulum makes an angle of 45 with the vertical, its time period is T1. When the string makes an angle of 60 with the vertical, its time period is T2. its time period is T1. When the string makes an angle of 60 with the vertical its time period [...]
A small ring P is threaded on a smooth wire bent in the form of a circle of radius a and center O. The wire is rotating with constant angular speed omega about a vertical diameter XY,
01
Oct
A small ring P is threaded on a smooth wire bent in the form of a circle of radius a and center O. The wire is rotating with constant angular speed omega about a vertical diameter XY, A small ring P is threaded on a smooth wire bent in the form of a circle of [...]
A man revolves a stone of mass m tied to the end of a string in a vertical circle of radius R. The net forces at the lowest and height points of the circle directed vertical downwards are
01
Oct
A man revolves a stone of mass m tied to the end of a string in a vertical circle of radius R. The net forces at the lowest and height points of the circle directed vertical downwards are A man revolves a stone of mass m tied to the end of a string in a [...]
A block of weight 20 N is pushed against a rough vertical wall with a force of F2 = 40 N, coefficient of static friction being 0.5. Another horizontal force of F1 = 15 N, is applied on the block in a direction parallel
01
Oct
A block of weight 20 N is pushed against a rough vertical wall with a force of F2 = 40 N, coefficient of static friction being 0.5. Another horizontal force of F1 = 15 N, is applied on the block in a direction parallel A block of weight 20 N is pushed against a rough [...]