AP EAPCET 2021 - 19th August Evening Shift | Laws of Motion Question 20 | Physics

Two blocks $$A$$ and $$B$$ of masses $$4 \mathrm{~kg}$$ and $$6 \mathrm{~kg}$$ are as shown in the figure. A horizontal force of $$12 \mathrm{~N}$$ is required to make $$A$$ slip over $$B$$. Find the maximum horizontal force $$F_B$$ that can be applied on $B$, so that both $$A$$ and $$B$$ move together (take, $$g=10 \mathrm{~ms}^{-2}$$ )

AP EAPCET 2021 - 19th August Evening Shift Physics - Laws of Motion Question 20 English

30 N

27 N

32 N

25 N

AP EAPCET 2021 - 19th August Morning Shift

MCQ (Single Correct Answer)

-0

An object dropped in a stationary lift takes time $$t_1$$ to reach the floor. It takes time $$t_2$$ when lift is moving up with constant acceleration. Then,

$$t_2>t_1$$

$$t_1>t_2$$

$$t_1 \approx t_2$$

$$t_1=t_2$$

AP EAPCET 2021 - 19th August Morning Shift

MCQ (Single Correct Answer)

-0

When a body is placed on a rough plane (coefficient of friction $$=~\propto$$ ) inclined at an angle $$\theta$$ to the horizontal, its acceleration is (acceleration due to gragvity $$=g$$ )

$$g(\sin \theta-\propto \cos \theta)$$

$$g(\sin \theta-\cos \theta)$$

$$g \propto(\sin \theta-\cos \theta)$$

$$g(\propto \sin \theta-\cos \theta)$$

Questions Asked from MCQ (Single Correct Answer)

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