Choose the correct options for the following questions.
Which of the following types of force can do no work on the particle on which it acts:
Difficulty: Easy
A:
Frictional force
B:
Gravitational force
C:
Electric force
D:
Centripetal force
The work done in moving a body between two points in a conservative field is independent of the:
Difficulty: Easy
A:
Direction
B:
Force applied
C:
Path followed by the body
D:
Power
When a force of 0.5N displaces a body through a distance of 2m in the direction of force, the work done is:
Difficulty: Easy
A:
0.5 J
B:
2 J
C:
0.25 J
D:
1 J
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