Physics
The given figure depicts the graph of work done vs. displacement under a constant force of 10 N. Which of the following statements is true?
- Force is acting at an angle of 0° with the displacement.
- Force is acting at an angle of 45° with the displacement.
- Force is acting at an angle of 60° with the displacement.
- Force is acting at an angle of 90° with the displacement.
Related Questions
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
During his experiments with a single movable pulley, Jas determined the effort, mechanical advantage and efficiency as X, Y & Z, respectively. Subsequently, after lubricating the pulley thoroughly, he recalculated the effort, MA and efficiency. X', Y' & Z' respectively. Which of the following relationships accurately represents the scenario?
- X' > X
- Y' < Y
- Z' > Z
- Z' = Z
Assertion (A) : For a glass block, the i vs. r graph is a straight line.
Reason (R) : When a ray of light undergoes refraction, it follows Snell's law.
- Both Assertion and Reason are true, and the Reason is the correct explanation of the Assertion.
- Both Assertion and Reason are true, but Reason is not the correct explanation of the Assertion.
- Assertion is true, but the Reason is false.
- Assertion is false, but the Reason is true.