EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 5 - Laws of Motion>KEAM 2020>Q 4

EASY

KEAM

IMPORTANT

Earn 100

A force of $(2 \hat{i} + 3 \hat{j}) N$ acts on a body of mass $1 kg$ which is at rest initially. The acceleration of the body is

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Important Questions on Laws of Motion

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KEAM

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 5 - Laws of Motion>KEAM 2020>Q 5

A body of mass

2 kg

is moving with a momentum of

10 kg {ms}^{- 1} .

The force needed to increase its kinetic energy by four times in

10

seconds is

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KEAM

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 5 - Laws of Motion>KEAM 2020>Q 6

A boy is standing on a weighing machine inside a lift. When the lift goes upwards with acceleration

\frac{g}{4},

the machine shows the reading

50 kg .

wt. When the lift goes downward with acceleration

\frac{g}{4},

the reading of the machine in

kg

.

wt

. would be

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KEAM

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 5 - Laws of Motion>KEAM 2019>Q 7

A block of mass $20 kg$ is suspended through two spring balances with negligible mass as shown in figure. What will be the readings in the upper and lower balance respectively ?

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