EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 15 - Circular Motion>AP EAPCET 2021 (19-Aug Forenoon)>Q 3

MEDIUM

AP EAPCET

IMPORTANT

Earn 100

Assertion (A): Two identical trains move in opposite senses in equatorial plane with same speeds relative to the earth's surface. They have equal magnitude of normal reaction.
Reason (R): The trains have different centripetal accelerations due to different speeds.

50% studentsanswered this correctly

Important Questions on Circular Motion

EASY

AP EAPCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 15 - Circular Motion>AP EAPCET 2021 (19-Aug Afternoon)>Q 4

A

500 kg

car takes a round turn of radius

50 m

with a velocity of

36 kmph

. The centripetal force acting on the car is

MEDIUM

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 15 - Circular Motion>AP EAPCET 2021 (19-Aug Afternoon)>Q 5

A motor cyclist wants to drive in horizontal circles on the vertical inner surface of a large cylindrical wooden well of radius

8.0 m

, with minimum speed of

5 \sqrt{5} m s^{- 1}

. The minimum value of coefficient of friction between the tyres and the wall of the well must be

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

MEDIUM

AP EAPCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 15 - Circular Motion>AP EAPCET - 20 Aug 2021 Forenoon>Q 6

A body of mass

10 kg

is attached to a wire of

0.3 m

length. The breaking stress is

4.8 \times 10^{7} N m^{- 2}

. The area of cross-section from the wire is

10^{- 6} m^{2}

. The maximum angular velocity with which it can be rotated in a horizontal circle is