Physics
The diagrams below show four pulley systems. State which of the statements following the diagrams is true.
- There are three pulley systems with V.R. = 2 and one pulley system with V.R. = 1.
- There are two pulley systems with V.R. = 2, one pulley system with V.R. = 3 and one pulley system with V.R. = 1.
- There are two pulley systems with V.R. = 2, one pulley system with V.R.= 3 and one pulley system with V.R. = 4.
- There are two pulley systems with V.R. = 2 and two pulley system with V.R. = 3.
Related Questions
Assertion (A): When light passes through a triangular prism, it is observed that for two angles of incidence, the angle of deviation is the same.
Reason (R): According to the principle of reversibility, the light retraces the path in reversing the direction.
- A and R are true, and R is the reason for A.
- A and R are true, and R is not the reason for A.
- A is true, but R is false.
- A is false, but R is true.
Which of the following diagrams shows the correct path of light through the lens?
The diagrams below show a force F = 40 N acting on a rod AB pivoted at A in different directions. Identify the correct statement.
- P and S have opposite moments.
- The magnitude of the moment of force is maximum in R.
- The magnitude of the moment of force is maximum in P and Q.
- The moment of force in R is negative.
In the diagram below, four cones are depicted, each with a height of 12 cm. The position of the center of gravity is indicated by dots located at 9 cm, 8 cm, 4 cm, and 3 cm from the apex of each cone. Which of these cones is completely solid?
- 9 cm
- 8 cm
- 4 cm
- 3 cm