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Byju's Answer

Standard XII

Physics

Wave Speed expression

In the given ...

Question

In the given figure pulleys are massless and frictionless and string A are light and inextensible. A force is applied on pulley A vertically upward. At any time acceleration of $5$ kg is $a_{1}$ (upward) and $10$ kg is $a_{2}$ ( upward) then ( g= $10 m / s^{2}$ )

a_{1} = 0, a_{2} = 0

if F=

100 N

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a_{1} = 5 m / s^{2}, a_{2} = 0

if F=

300 N

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a_{1} = 15 m / s^{2}, a_{2} = 2.5 m / s^{2}

if F=

500 N

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All option is correct

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Solution

The correct option is D All option is correct
Hence,
option $(A),$ $(B)$ and $(C)$ is correct answer.

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Similar questions

The acceleration of block of mass 2 kg and 4 kg are respectively (pulleys and Threads are massless) (g=10 m/s²).

a) a₁= 5 m/s² , a₂= 2.5 m/s²

b) a₁ = a₂ = 0

c) a₁ = a₂ = 20/6 m/s²

d) a₁ = 20 m/s² , a₂ = 5 m/s²

Q. Two blocks of masses

5 kg

and

2 kg

(see fig.) are initially at rest on the floor. They are connected by a light inextensible string, passing over a light frictionless pulley. An upward force

F

is applied on the pulley and maintained constant. Calculate the acceleration

a_{1}

and

a_{2}

of the

5 kg

and

2 kg

masses, respectively, when

F

110 N (g = 10 {m/s}^{- 2})

Q. Find the acceleration of the two blocks of mass

4 kg

5 kg,

if a force of

40 N

is applied on

4 kg

block. Friction coefficient between the respective surfaces are shown in figure. (take

g = 10 {m/s}^{2}

Q. Find the accelerations

a_{1}, a_{2}

and

a_{3}

of the three blocks as shown in figure, if a horizontal force of

10 N

is applied on the

3 kg

block. The coefficient of static friction (

μ

) for all contact surfaces are shown in the figure. Take

g = 10 {m/s}^{2}

Q. Two blocks of masses

5 k g

and

2 k g

(see fig) are initially at rest on the floor. They are connected by a light string, passing over a light frictionless pulley. An upward force

F

is applied on the pulley and maintained constant. Calculate the acceleration

a_{1}

and

a_{2}

of the

5 k g

and

2 k g

masses, respectively, when

F

110 N (g = 10 m / s^{2}

)

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In the given figure pulleys are massless and frictionless and string A are light and inextensible. A force is applied on pulley A vertically upward. At any time acceleration of 5 kg is a1 (upward) and 10 kg is a2 ( upward) then ( g= 10m/s2)

The correct option is D All option is correctHence,option (A), (B) and (C) is correct answer.

In the given figure pulleys are massless and frictionless and string A are light and inextensible. A force is applied on pulley A vertically upward. At any time acceleration of $5$ kg is $a_{1}$ (upward) and $10$ kg is $a_{2}$ ( upward) then ( g= $10 m / s^{2}$ )

The correct option is D All option is correct
Hence,
option $(A),$ $(B)$ and $(C)$ is correct answer.