1
KCET 2023
MCQ (Single Correct Answer)
+1
-0

A body of mass $$10 \mathrm{~kg}$$ is kept on a horizontal surface. The coefficient of kinetic friction between the body and the surface is 0.5. A horizontal force of $$60 \mathrm{~N}$$ is applied on the body. The resulting acceleration of the body is about

A
1 ms$$^{-2}$$
B
5 ms$$^{-2}$$
C
6 ms$$^{-2}$$
D
zero
2
KCET 2022
MCQ (Single Correct Answer)
+1
-0

Two masses of $$5 \mathrm{~kg}$$ and $$3 \mathrm{~kg}$$ are suspended with the help of massless inextensible strings as shown in figure below.

KCET 2022 Physics - Laws of Motion Question 8 English

When whole system is going upwards with acceleration $$2 \mathrm{~m} / \mathrm{s}^2$$, the value of $$T_1$$ is (use, $$g=9.8 \mathrm{~m} / \mathrm{s}^2$$)

A
35.4 N
B
23.6 N
C
59 N
D
94.4 N
3
KCET 2019
MCQ (Single Correct Answer)
+1
-0

An object with mass $$5 \mathrm{~kg}$$ is acted upon by a force, $$\mathbf{F}=(-3 \hat{\mathbf{i}}-4 \hat{\mathbf{j}}) \mathrm{N}$$. If its initial velocity at $$t=0$$ is $$\mathbf{v}=(3 \hat{\mathbf{i}}+12 \hat{\mathbf{j}}) \mathrm{m} / \mathrm{s}$$, the time at which it will just have a velocity along $$y$$-axis is -

A
5 s
B
10 s
C
2 s
D
15 s
4
KCET 2018
MCQ (Single Correct Answer)
+1
-0
A block rests on a rough inclined plane making an angle of $30^{\circ}$ with the horizontal, The coefficient of static friction between the block and the plane is 0.8 . If the frictional force on the block is 10 N , the mass of the block is (Take $g=10 \mathrm{~ms}^{-2}$ )
A
1 kg
B
2 kg
C
3 kg
D
4 kg
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