
WORK, POWER & ENERGY RT

Quiz
•
Physics
•
University
•
Medium
Azfar haque
Used 14+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
10 units
18 units
11 units
15 units
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A body of mass 5 kg, initially at rest, is moved by a force of 2 N on a smooth horizontal surface. The work done by the force in 10 s is
20 J
30 J
40 J
60 J
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A body is displaced from x = x1 to x = x2 by a force of 2x. The work done is
2x (x2 – x1 )
2x2 (x2 – x1 )
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A 1 kg mass has a K.E. of 1 joule when its speed is
0.45 m/s
1 m/s
1.4 m/s
4.4 m/s
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A body is lifted by a man to a height of 1 m in 30s. Another man lifts the same mass to the same height in 60s. The work done by them are in the ratio
1 : 2
1 : 1
2 : 1
4 : 1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ratio of dimensions of power and K.E is
1 : 1
T : 1
1 : T
M : T
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The expression for escape velocity is;
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