Physics · 2023
JEE Main · 29 January 2023, Shift 1 · Q10
A block of mass m slides down the plane inclined at angle 30^° with an acceleration g/4. The value of coefficient of kinetic friction will be:
A block of mass $\displaystyle m$ slides down the plane inclined at angle $\displaystyle 30^{\circ}$ with an acceleration $\displaystyle \frac{g}{4}$. The value of coefficient of kinetic friction will be:
Official answer
From NTA’s final answer key for this paper.
(4)
$\displaystyle \frac{1}{2 \sqrt{3}}$
More from Friction
- The time taken by a block of mass m to slide down from the highest point to the lowest point on a rough inclined plane is 50 % more compared to the…2026
- Given below are two statements: Statement (I): The limiting force of static friction depends on the area of contact and independent of materials.…2024
- The time taken by an object to slide down 45^° rough inclined plane is n times as it takes to slide down a perfectly smooth 45^° incline plane. The…2023
- A block of mass 25 kg is pulled along a horizontal surface by a force at an angle 45^° with the horizontal. The friction coefficient between the…2025
- As shown in the figure a block of mass 10 kg lying on a horizontal surface is pulled by a force F acting at an angle 30°, with horizontal. For…2023
- Consider a block kept on an inclined plane (inclined at 45°) as shown in the figure. If the force required to just push it up the incline is 2 times…2023
- A block of mass 5 kg is placed on a rough inclined surface as shown in the figure. If F_1 is the force required to just move the block up the…2024
- A 2 kg brick begins to slide over a surface which is inclined at an angle of 45^° with respect to horizontal axis. The co-efficient of static…2024
JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.