1.
A force of 20 N displaces a body by 5 m in the direction of force. What is the work done?
A
4 J
B
25 J
C
100 J
D
50 J
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A force of 20 N displaces a body by 5 m in the direction of force. What is the work done?
4 J
25 J
100 J
50 J
A body starts from rest and accelerates uniformly at 4 m/s². What is its velocity after 5 seconds?
10 m/s
20 m/s
25 m/s
15 m/s