Which of the following types of force can do no work on the particle on which it acts ?
A. frictional force
B. gravitational force
C. elastic force
D. centripetal force
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A. frictional force
B. gravitational force
C. elastic force
D. centripetal force
A. electric field
B. conservative field
C. electromagnetic field
D. gravitational field
A. 45°
B. 90°
C. 180°
D. 0°
A. 1.44kw/m2
B. 1.4kw/m2
C. 1 kw/m2
D. none
A. heat energy to K.E
B. elastic P.E to K.E
C. elemical energy to elastic P.E
D. K.E to elastic P.E.
A. 1600 ms-1
B. 50.6 ms-1
C. 71.6 ms-1
D. 2263ms-1