AIPMT 2008 | Laws of Motion Question 35 | Physics

A roller coaster is designed such that riders experience ''weightlessness'' as they go round the top of a hill whose radius of curvature is 20 m. The speed of the car at the top of the hill is between

16 m/s and 17 m/s

13 m/s and 14 m/s

14 m/s and 15 m/s

15 m/s and 16 m/s

AIPMT 2008

MCQ (Single Correct Answer)

-1

Sand is being dropped on a conveyer belt at the rate of M kg/s. The force necessary to keep the belt moving with a constant velocity of $$\upsilon $$ m/s will be :

$${{Mv} \over 2}$$ newton

zero

M$$v$$ newton

2 M$$v$$ newton

AIPMT 2008

MCQ (Single Correct Answer)

-1

AIPMT 2008 Physics - Laws of Motion Question 20 English

Three forces acting on a body are shown in the figure. To have the resultant force only along the y-direction, the magnitude of the minimum additional force needed is

$${{\sqrt 3 } \over 4}N$$

$${\sqrt 3 }$$ N

0.5 N

1.5 N

AIPMT 2007

MCQ (Single Correct Answer)

-1

A block B is pushed momentarily along a horizontaly surface with an initial velocity V. If $$\mu $$ is the coefficient of sliding friction between B and the surface, block B will come to rest after a time

AIPMT 2007 Physics - Laws of Motion Question 19 English

AIPMT 2007 Physics - Laws of Motion Question 19 English

g$$\mu $$/V

g/V

V/g

V/(g$$\mu $$).

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Human Health and Diseases Body Fluids and Its Circulation Locomotion and Movement Neural Control and Coordination Reproduction in Organisms Reproductive Health Structural Organisation in Animals Digestion and Absorption Excretory Products and Their Elimination Chemical Coordination and Integration Human Reproduction Animal Kingdom Breathing and Exchange of Gases Evolution