Physics - Work Power Energy
Practise 18 BITSAT previous year questions on Work Power Energy, compiled from papers spanning 2009 to 2024. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty BITSAT tests.
Work Power Energy has been asked in 11 of the 16 years of BITSAT papers analysed (2009–2024), with 18 questions in all. 44% of them were easy, 39% moderate and 17% tough. Most of its questions came from 2024, with 5 questions that year. In the last three years (2022–2024) it had 6 questions across 3 papers, about 2 per paper.
The chapter's 4 topics are not weighted equally: Energy (9 questions, 50%), Work done (5 questions, 28%), and Power (3 questions, 17%) have been asked the most. Over the last five years the most frequent topics have been Work done (3), Energy (2), and Circular motion (1). Energy has produced the most tough questions (2).
- 1A spherical ball of mass 20 kg is stationary at the top of a hill of height 100 m . It rolls down a smooth surface to the ground, then climb2024 (Memory Based Paper 1)Energy
- 2A particle of mass 2 kg is on a smooth horizontal table and moves in a circular path of radius 0.6 m . The height of the table from the grou2024 (Memory Based Paper 1)Circular motion
- 3A force of is applied on lower block as shown in figure. The work done by lower block on upper block for a displacement of 3 m of the upper 2024 (Memory Based Paper 3)Work done
- 4A pendulum of mass 1 kg and length is released from rest at angle . The power delivered by all the forces acting on the bob at angle will be2024 (Memory Based Paper 3)Power
- 5An ideal massless spring can be compressed 1 m by a force of 100 N in equilibrium. The same spring is placed at the bottom of a frictionless2024 (Memory Based Paper 3)Energy
- 6A machine gun fires 300 bullets per if the mass of each bullet is and the velocity of the bullets is , the power (in ) of the gun is2022Work done
- 7A boy pushes a toy box along the floor by means of a force of directed downward at an angle of to the horizontal. The work done by the boy i2020Work done
- 8A body is moving unidirectionally under the influence of a source of constant power. The square of its displacement in time t is proportiona2019Power
- 9An elastic string of unstretched length and force constant is stretched by a small length . It is further stretched by another small length 2015Energy
- 10A small block of mass is kept on a rough inclined surface of inclination fixed in a elevator. The elevator goes up with a uniform velocity a2014Work done
- 11A freight car moving along a horizontal rail road spur track at hour strikes a bumper whose coil springs experiences a maximum compression o2013Energy
- 12A light inextensible string that goes over a smooth fixed pulley as shown in the figure connects two blocks of masses and . Taking find the 2013Work done
- 13If the unit of force and length be each increased by four times, then the unit of energy is increased by2012Energy
- 14Which of the following must be known in order to determine the power output of an automobile?2012Power
- 15A massless platform is kept on a light elastic spring as shown in fig. When a sand particle of mass is dropped on the pan from a height of t2011Energy
- 16The potential energy for a force field is given by . The force acting on a particle at position given by coordinates is2010Energy
- 17A long string is stretched by and the potential energy is . If the spring is stretched by , its potential energy will be2010Energy
- 18A chain of mass is placed on a smooth table with of its length hanging over the edge. The work done in pulling the hanging portion of the ch2009Energy
Frequently Asked Questions
1.How many questions are available for Work Power Energy?
This chapter includes 18 questions compiled from BITSAT papers spanning 2009 to 2024.
2.Are these questions only from BITSAT, or from other exams too?
These are BITSAT questions specifically for the Work Power Energy chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.
3.Is Work Power Energy an important chapter for BITSAT Physics?
Work Power Energy has appeared in 11 of the 16 years of BITSAT papers covered here, with 18 questions across 12 papers - about 2 per paper it appears in.
4.What is the difficulty level of Work Power Energy questions in BITSAT?
Of the 18 questions analysed for this chapter, 44% are easy, 39% moderate and 17% tough. 2024 had the most, with 5 questions.
5.Which topics in Work Power Energy should I focus on?
These topics have carried the most weightage in Work Power Energy:
- Energy - 9 questions (50%)
- Work done - 5 questions (28%)
- Power - 3 questions (17%)
- Energy has produced the most tough questions (2).
6.Is Work Power Energy's weightage in BITSAT going up or down?
Across all 12 papers analysed, Work Power Energy has averaged about 1.5 questions per paper. In the last three years (2022–2024), that average has risen, at about 2.0 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.