1
NEET 2025
MCQ (Single Correct Answer)
+4
-1
Change Language

There are two inclined surfaces of equal length $(L)$ and same angle of inclination $45^{\circ}$ with the horizontal. One of them is rough and the other is perfectly smooth. A given body takes 2 times as much time to slide down on rough surface than on the smooth surface. The coefficient of kinetic friction $\left(\mu_k\right)$ between the object and the rough surface is close to

A
0.5
B
0.75
C
0.25
D
0.40
2
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1
Change Language

A box of mass $$5 \mathrm{~kg}$$ is pulled by a cord, up along a frictionless plane inclined at $$30^{\circ}$$ with the horizontal. The tension in the cord is $$30 \mathrm{~N}$$. The acceleration of the box is (Take $$g=10 \mathrm{~m} \mathrm{~s}^{-2}$$)

A
$$2 \mathrm{~m} \mathrm{~s}^{-2}$$
B
Zero
C
$$0.1 \mathrm{~m} \mathrm{~s}^{-2}$$
D
$$1 \mathrm{~m} \mathrm{~s}^{-2}$$
3
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

A horizontal force $$10 \mathrm{~N}$$ is applied to a block $$A$$ as shown in figure. The mass of blocks $$A$$ and $$B$$ are $$2 \mathrm{~kg}$$ and 3 $$\mathrm{kg}$$ respectively. The blocks slide over a frictionless surface. The force exerted by block $$A$$ on block $$B$$ is :

NEET 2024 Physics - Laws of Motion Question 3 English

A
Zero
B
4 N
C
6 N
D
10 N
4
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

A particle moving with uniform speed in a circular path maintains:

A
Constant velocity
B
Constant acceleration
C
Constant velocity but varying acceleration
D
Varying velocity and varying acceleration
NEET Subjects
EXAM MAP