Physics XI Karachi Board [Work Power and Energy] MCQS Online Test - 1Physics Aptitude Test. 22 Questions from Chapter 07 Work Power and Energy.
Q1. When force and displacement are in opposite direction then the work done is said to be
Q10. According to Einstein’s theory of relativity the KE of a body can be represented by the formula
Q12. If the force and displacement are at right angle to each other then the work done is
Q13. A force s exerted in lifting a 100 kg mass straight up to a height of 10m. The work done is
Q14. A body moves at a distance of 10m along horizontal by a force of 5 N. If the work done is 25J then the angle between them is
Q22. Your weight is 600N. You climb a hill of 10 meter high in 10 sec. You posses power of