Quiz Questions

5. Speed and Velocity (ITISKILL5192IL)

Q-Paper A-Paper
Question 1 1 Marks
What is the formula for kinetic energy?
A
(1/2) mv joule
B
(1/2) mv<sup>2</sup> joule
C
(2/3) mv<sup>2</sup> joule
D
(2/3) mv joule
Question 2 1 Marks
What is the formula for speed?
A
Distance covered/Time
B
Change in velocity/Time
C
Distance in definite direction /Time
D
Change in momentum/Time
Question 3 1 Marks
What is the formula for velocity?
A
Distance covered/Time
B
Displacement/Time
C
Change in velocity/Time
D
Change of momentum/Time
Question 4 1 Marks
What is the ratio of power output to power input?
A
Work
B
Energy
C
Efficiency
D
Acceleration
Question 5 1 Marks
What is the work done in unit time?
A
Energy
B
Power
C
Force
D
Acceleration
Question 6 1 Marks
What is the rate of change of displacement of a body?
A
Body at rest
B
Body at motion
C
Speed
D
Velocity
Question 7 1 Marks
What is the kinetic energy of a bullet of mass 5gm travels with a speed of 500 m/sec?
A
620 Joules
B
625 Joules
C
630 Joules
D
635 Joules
Question 8 1 Marks
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?
A
0.059 m/sec<sup>2</sup>
B
0.59 m/sec<sup>2</sup>
C
0.069 m/sec<sup>2</sup>
D
0.69 m/sec<sup>2</sup>
Question 9 1 Marks
What is the formula for potential energy?
A
mgh joule
B
mgh<sup>2</sup> joule
C
1/2 mgh joule
D
2/3 mgh joule
Question 10 1 Marks
What is the formula for acceleration?
A
Metre/second
B
Metre/second<sup>2</sup>
C
Metre/minute
D
Metre/hour
Question 11 1 Marks
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?
A
8 metre/sec<sup>2</sup>
B
10 metre/sec<sup>2</sup>
C
12 metre/sec<sup>2</sup>
D
14 metre/sec<sup>2</sup>
Question 12 1 Marks
What is called if a body posses both magnitude and direction of velocity?
A
Speed
B
Velocity
C
Vector quantity
D
Scalar quantity
Question 13 1 Marks
What is the retardation of a car moving with a velocity of 50 km/hr is brought to rest in 45 seconds?
A
0.40 m/sec<sup>2</sup>
B
0.30 m/sec<sup>2</sup>
C
0.20 m/sec<sup>2</sup>
D
0.10 m/sec<sup>2</sup>
Question 14 1 Marks
What is the potential energy in a body of mass 10 kg kept on the top of a pole 20 metres height?
A
1942 Joules
B
1952 Joules
C
1962 Joules
D
1972 Joules
Question 15 1 Marks
What is the work done in joules if a load of 15.5 kg is lifted through a height of 4.4 metres?
A
639 Joules
B
649 Joules
C
659 Joules
D
669 Joules
Question 16 1 Marks
What is called if a force of 1Newton acts on a body and moves it through a distance of 1 metre?
A
1 Joule
B
10 Joules
C
1 dyne
D
10 dynes
Question 17 1 Marks
How many watts for 1 horse power in metric system?
A
725.5 watts
B
735.5 watts
C
745.5 watts
D
755.5 watts
Question 18 1 Marks
What is the potential energy, if a body of mass 250 kg is at a height of 30 metre?
A
72.57 KJ
B
73.57 KJ
C
74.57 KJ
D
75.57 KJ
Question 19 1 Marks
What is the unit of acceleration of an object?
A
Metre/second
B
Metre/second<sup>2</sup>
C
Metre/minutes
D
Metre/minutes<sup>2</sup>
Question 20 1 Marks
What maximum height a stone will reach if it is thrown upwords with a velocity of 20m/sec?(g = 10m/sec<sup>2</sup>)
A
10 m
B
20 m
C
30 m
D
40 m
Question 21 1 Marks
How many ergs for 1 Joule?
A
10^3 ergs
B
10^5 ergs
C
10^7 ergs
D
10^9 ergs
Question 22 1 Marks
What is the speed of a train of 80 metre long train passes a railway station platform of 120 metres length in 20 seconds?
A
30 km/hour
B
32 km/hour
C
34 km/hour
D
36 km/hour
Question 23 1 Marks
What is called if a body does not change its position with respect to its surroundings?
A
Body at motion
B
Body at rest
C
Speed
D
Velocity
Question 24 1 Marks
What is velocity of a body travels a distance of 168 metres in a line in 21 seconds?
A
6 m/sec
B
8 m/sec
C
10 m/sec
D
12 m/sec
Question 25 1 Marks
How many watts for 1 horse power in British system?
A
726 watts
B
736 watts
C
746 watts
D
756 watts
Question 26 1 Marks
How many newtons for 1 kilogram?
A
981 Newtons
B
98.1 Newtons
C
9.81 Newtons
D
0.981 Newtons
Question 27 1 Marks
What is the unit of speed?
A
Metre/second
B
Metre/second<sup>2</sup>
C
Metre/minute
D
Metre/hour
Question 28 1 Marks
What is the unit for velocity?
A
Metre/second
B
Metre/second<sup>2</sup>
C
Metre/minute
D
Metre/hour
Question 29 1 Marks
What is the equivalent unit for 1 horse power in metric system?
A
75 kg.m/sec
B
76 kg.m/sec
C
77 kg.m/sec
D
78 kg.m/sec
Question 30 1 Marks
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?
A
3720 Joules
B
3730 Joules
C
3740 Joules
D
3750 Joules
Question 31 1 Marks
What is the capacity of a body to do work is called?
A
Energy
B
Power
C
Acceleration
D
Force
Question 32 1 Marks
What is called if a body changes its position with respect to its surroundings?
A
Body at rest
B
Body at motion
C
Speed
D
Velocity
Question 33 1 Marks
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?
A
12 x 104 kg meter
B
12 x 105 kg meter
C
12 x 106 kg meter
D
12 x 107 kg meter
Question 34 1 Marks
What is called if a body posses only magnitude or size alone?
A
Speed
B
Velocity
C
Vector quantity
D
Scalar quantity