Which of the following statement is correct?

Range of the weak nuclear force is smaller than that of strong nuclear force

Electromagnetic force is short ranged

Relative strength of gravitational force is higher than that of weak nuclear force

Relative strength of strong nuclear force may or may not be higher than that of electromagnetic force

E M B I B E

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 4 - Laws of Motion>TS EAMCET - 5 August 2021 Shift 1>Q 6

HARD

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IMPORTANT

Earn 100

System shown in the figure is in equilibrium and at rest. The spring and string are massless, now the string is cut. The acceleration of mass $2 m$ and $m$ just after the string is cut will be

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Important Questions on Laws of Motion

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 4 - Laws of Motion>TS EAMCET 2018 (04-May Shift-1)>Q 7

A block of mass $5 kg$ is kept against an accelerating wedge with a wedge angle of $45 °$ to the horizontal. The co-efficient of friction between the block and the wedge is $μ = 0.4$ . What is the minimum absolute value of the acceleration of the wedge to keep the block steady. Assume $g = 10 m s^{- 2}$

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 4 - Laws of Motion>TS EAMCET 2021 (04-Aug Shift-1)>Q 8

Block

A

of mass

3 kg

rests on another block

B

of mass

7 kg .

The coefficient of friction between

A

and

B

is

0.4

while the coefficient of friction between

B

and the horizontal floor on which

B

rests is

0.55 .

Find the force of friction between

A

and

B,

when a horizontal force of

50 N

is applied on the block

B .

(Use

g = 10 m / s^{2}

)

EASY

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 4 - Laws of Motion>TS EAMCET 2021 (04-Aug Shift-1)>Q 9

What is the maximum force

F

that can be applied on block

m_{1},

so that both

m_{1} & m_{2}

will move together? There is no friction between

m_{1}

and the horizontal table. The coefficient of friction between

' m_{1}'

and

' m_{2}'

is

μ .

EASY

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 4 - Laws of Motion>TS EAMCET - 5 August 2021 Shift 2>Q 10

A person is managing to be at rest between two vertical walls by pressing one wall by his hands and feet and second wall with his back. The coefficient of friction is