AIPMT 2006 | Work, Energy and Power Question 46 | Physics

A body of mass 3 kg is under a constant force which causes a displacement s in metres in it, given by the relation s = $${1 \over 3}$$t², where t is in seconds. Work done by the force in 2 seconds is

$${{19} \over 5}J$$

$${5 \over {19}}J$$

$${3 \over {8}}J$$

$${8 \over {3}}J$$

AIPMT 2006

MCQ (Single Correct Answer)

-1

The potential energy of a long spring when stretched by 2 cm is U. If the spring is stretched by 8 cm the potential energy stored in it is

U/4

16U

AIPMT 2006

MCQ (Single Correct Answer)

-1

300 J of work is done in sliding a 2 kg block up an inclined plane of height 10 m. Work done against friction is (Take g = 10 m/s²)

1000 J

200 J

100 J

zero

AIPMT 2005

MCQ (Single Correct Answer)

-1

A force F acting

AIPMT 2005 Physics - Work, Energy and Power Question 24 English

on an object varies with distance x as shown here. The force is in N and x in m. The work done by the force in moving the object from x = 0 to x = 6 m is

18.0 J

13.5 J

9.0 J

4.5 J

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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