Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 5 - Laws of Motion>Exercise>Q 2

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Three blocks of masses $m_{1}, m_{2}$ and $m_{3}$ are placed on a horizontal frictionless surface. A force of $40 N$ pulls the system then calculate the value of $T$ , if $m_{1} = 10 kg$ , $m_{2} = 6 kg$ , $m_{3} = 4 kg$

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Important Questions on Laws of Motion

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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 5 - Laws of Motion>Exercise>Q 3

A block of mass m is moving on a rough horizontal surface where coefficient of friction between block and surface is

µ = 0.5

. At t = 0 block is moving with a velocity

\vec{v}

then a horizontal force F = 2t is applied on it in the direction of velocity. Here t represent time then the speed of block after the application of force

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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 5 - Laws of Motion>Exercise>Q 4

In the diagram the pulleys and the strings are tight. $T$ is the tension in the string. Take $g = 10 m s^{- 2}$ . Which of the following is correct?

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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 5 - Laws of Motion>Exercise>Q 5

Three blocks are placed at rest on a smooth inclined plane with force acting on

m_{1}

parallel to the inclined plane. Find the contact force between

m_{2}

and

m_{3}

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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 5 - Laws of Motion>Exercise>Q 6

Among the following statements, the incorrect one is

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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 5 - Laws of Motion>Exercise>Q 7

A monkey of mass

20 kg

is holding a vertical rope. The rope will not break when a mass of

25 kg

is suspended from it but will break if the mass exceeds

25 kg

. What is the maximum acceleration with which the monkey can climb up along the rope ?

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