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Standard VIII

Physics

Kinetic Energy

Two masses ...

Question

Two masses $M_{1}$ and $M_{2}$ are attached to the ends of string which passes over the pulley attached to the top of a double inclined plane. The angles of inclination of the inclined planes are same. Take g = 10 $m s^{- 2}$ . If $M_{1} = M_{2}$ , what is the acceleration of the system ?

zero

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2.5

m s^{- 2}

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m s^{- 2}

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m s^{- 2}

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Solution

The correct option is A zero
As the angle of inclination $θ$ is same, the force along both the ends of the string on the masses will be same ( $m g s i n θ$ ), and will be nullified by each other. So, the acceleration of the system is 0.

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Similar questions

Two masses M1 and M2 are attached to the ends of a string which passes over a pulley attached to the top of an inclined plane. The angle of inclination of the plane in $θ . T a k e g = 10 m s^{- 2}$ .

Q. Two masses

M_{1}

and

M_{2}

are attached to the ends of a light string, which passes over a massless pulley, attached to the top of a double inclined smooth plane of angle s, of inclination

α

and

β

. If

M_{2}

M_{1}

and

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a l p h a

, then the acceleration of block

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down the inclined will be ?

Q. Two masses

M_{1}

and

M_{2}

are attached to the end of a light string which passes over a massless pulley attached to the top of a double inclined smooth plane of angles of inclination

α

and

β

. If

M_{2} > M_{1}

and

β > α

then the acceleration of block

M_{2}

down the inclined will be:

Q. Two masses

M_{1}

and

M_{2}

are attached to the ends of a string which passes over a attached to the of a double inclined plane of angles of inclination

α

and

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. If

M_{2} > M_{1}

the acceleration a of the system can be given by (neglect friction)

Q. Two blocks of masses

m_{1} = 5 kg

and

m_{2} = 6 kg

are connected by a light string passing over a light frictionless pulley as shown in figure. The mass

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Two masses M1 and M2 are attached to the ends of string which passes over the pulley attached to the top of a double inclined plane. The angles of inclination of the inclined planes are same. Take g = 10 ms−2. If M1=M2, what is the acceleration of the system ?

The correct option is A zeroAs the angle of inclination θ is same, the force along both the ends of the string on the masses will be same (mgsinθ), and will be nullified by each other. So, the acceleration of the system is 0.

Two masses $M_{1}$ and $M_{2}$ are attached to the ends of string which passes over the pulley attached to the top of a double inclined plane. The angles of inclination of the inclined planes are same. Take g = 10 $m s^{- 2}$ . If $M_{1} = M_{2}$ , what is the acceleration of the system ?

The correct option is A zero
As the angle of inclination $θ$ is same, the force along both the ends of the string on the masses will be same ( $m g s i n θ$ ), and will be nullified by each other. So, the acceleration of the system is 0.