Chapter 5 – Newton’s Laws of Motion (Without Friction)
Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 5 - Newton's Laws of Motion (Without Friction)
An inclined plane makes an angle 30^∘ with the horizontal. A groove (OA) of length 5m cut in the plane makes an angle 30^∘ with OX. A short smooth cylinder is free to slide down under the influence of gravity. The time taken by the cylinder to reach from A to O is (g=10ms^−2).
19
Oct
An inclined plane makes an angle 30^∘ with the horizontal. A groove (OA) of length 5m cut in the plane makes an angle 30^∘ with OX. A short smooth cylinder is free to slide down under the influence of gravity. The time taken by the cylinder to reach from A to O is (g=10ms^−2). on [...]
The system shown in fig is released from rest. (Neglecting friction and mass of the pulley, string and spring). The spring can be elongated:
19
Oct
The system shown in fig is released from rest. (Neglecting friction and mass of the pulley, string and spring). The spring can be elongated: string and spring). The spring can be elongated: The system shown in fig is released from rest. (Neglecting friction and mass of the pulley October 19, 2020 Category: Cengage JEE Mains [...]
A plumb bob is hung from the ceiling of a train compartment, The train moves on an inclined track of inclination 30 degree with horizontal. The acceleration of train up the plane is a=g/2. The angle which the string supporting the bob makes with normal to the ceiling in equilibrium is
19
Oct
A plumb bob is hung from the ceiling of a train compartment, The train moves on an inclined track of inclination 30 degree with horizontal. The acceleration of train up the plane is a=g/2. The angle which the string supporting the bob makes with normal to the ceiling in equilibrium is A plumb bob is [...]
A ball of mass m moving with a velocity u rebounds from a wall. The collision is assumed to be elastic and the force of interaction between the ball and wall varies as shown in Fig.. Then the value of F0 is
19
Oct
A ball of mass m moving with a velocity u rebounds from a wall. The collision is assumed to be elastic and the force of interaction between the ball and wall varies as shown in Fig.. Then the value of F0 is on a smooth frictionless surface. They pull on a rope stretched between them. [...]
n balls each of mass m impinge elastically each second on a surface with velocity u. The average force experienced by the surface will be
19
Oct
n balls each of mass m impinge elastically each second on a surface with velocity u. The average force experienced by the surface will be n balls each of mass m impinge elastically each second on a surface with velocity u. The average force experienced by the surface will be October 19, 2020 Category: Cengage [...]
In fig., blocks A and B move with velocities v1 and v2 along horizontal direction. Find the ratio of v1/v2
19
Oct
In fig., blocks A and B move with velocities v1 and v2 along horizontal direction. Find the ratio of v1/v2 blocks A and B move with velocities v1 and v2 along horizontal direction. Find the ratio of v1/v2. In Fig. October 19, 2020 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 5 - [...]
Two skaters have weight in the ratio 4:5 and are 9 m apart, on a smooth frictionless surface. They pull on a rope stretched between them. The ratio of the distance covered by them when they meet each other will be
19
Oct
Two skaters have weight in the ratio 4:5 and are 9 m apart, on a smooth frictionless surface. They pull on a rope stretched between them. The ratio of the distance covered by them when they meet each other will be on a smooth frictionless surface. They pull on a rope stretched between them. The [...]