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Normal Reaction

Two blocks A ...

Question

Two blocks A and B of mass 10 kg and 20 kg respectively are placed as shown in figure. Coefficient of friction between all the surfaces is 0.2 (g = 10 m/s²). Then

A

Tension in the string is 306 N

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B

Tension in the string is 132 N

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C

Acceleration of block B is 2.6 m/s²

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D

Acceleration of block B is 4.7 m.s²

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Solution

The correct options are
A
Tension in the string is 306 N

D
Acceleration of block B is 4.7 m.s²

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Similar questions

Q. Two blocks with masses

M_{1}

M_{2}

10 k g

20 k g

respectively are placed as in figures. Coefficient of friction

μ = 0.2

between all surfaces, then tension in string and acceleration of

M_{2}

Q. Three blocks

a, b and c

10 k g

10 k g

20 k g

respectively are arranged as shown in figure. All the surfaces are frictionless and string is inextensible. A constant force

F = 20 N

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a

as shown. Pulley and string are light. Part of the string connecting both pulleys is vertical and part of the strings connecting pulleys with masses a and b are horizontal. Choose the correct option(s) for the given system.

Q. Two blocks A and B of mass 10 kg and 20 kg respectively are placed as shown in figure. Coefficient friction between all the surface is

0.2 (g = 10 m / s^{2}) .

Q. Masses of block A, B and C are 10 kg, 2kg and 3kg respectively and they are arranged as shown in the figure. There is a uniform electric field towards right of magnitude 10 N/C and block C has charge 0.5 C. If frictional coefficient between block A and the floor is 0.1, between block C and wall is 0.2 and there is no friction between A and B, then which of the following option(s) is/are correct: (Assuming pulley and string to be ideal)

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, find the tension in the string in situation as shown in Fig. Forces 120N and 100N start acting when system is at rest?

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