Welcome to your workshop calculation MCQ-5 ( WORK,POWER,ENERGY)
1.What is the formula for speed
2.What is the unit of speed
3. What is the formula for velocity
4.What is the unit for velocity
5. What is called if a body posses only magnitude or size alone
6.What is called if a body posses both magnitude and direction of velocity
7.What is the rate of change of displacement of a body
8.What is called if a body does not change its position with respect to its surroundings
9.What is called if a body changes its position with respect to its surroundings
10.What is velocity of a body travels a distance of 168 metres in a line in 21 seconds
11.What is the speed of a train of 80 metre long train passes a railway station platform of 120 metres length in 20 seconds
12. What is the unit of acceleration of an object
13.What is the acceleration of a car if the speed of the car has increased from 25 km per hour to 40 km per hour in one minute
14.What is the retardation of a car moving with a velocity of 50 km/hr is brought to rest in 45 seconds 50
15.What is the acceleration of an aeroplane taking off from landing field has to run 700 metres if it leaves the ground in 10 seconds from the start
16.What maximum height a stone will reach if it is thrown upwords with a velocity of 20m/sec(g = 10m/sec2)
17. What is the work done in unit time
18. What is the capacity of a body to do work is called
19.What is the ratio of power output to power input
20. What is called if a force of 1 Newton acts on a body and moves it through a distance of 1 metre
21.How many ergs for 1 Joule
22.How many newtons for 1 kilogram
23. How many watts for 1 horse power in metric system
24. How many watts for 1 horse power in British system
25. What is the equivalent unit for 1horse power in metric system
26.What is the formula for potential energy
27.What is the formula for kinetic energy
28.How much work done in one hour if a pump can raise 100 liters of water through a height of 200 meters in one minutes
29. What is the work done if a force of 250 newtons acted upon a body and the body has been moved through a distance of 15 metres
30.What is the potential energy if a body of mass 250 kg is at a height of 30 metre
31.What is the potential energy in a body of mass 10 kg kept on the top of a pole 20 metres height 250
32. What is the work done in joules if a load of 15.5 kg is lifted through a height of 4.4 metres
33.What is the kinetic energy of a bullet of mass 5gm travels with a speed of 500 m/sec
34.What is the kinetic energy of a bullet of mass 5gm travels with a speed of 500 m/sec
