A. 300N
B. 600N
C. 1200N
D. 400N
Correct Answer:
Option C – 1200N
Explanation
F = Ma + mg = 60 x 10 x 60 x 10 = 1200N
What force has to be exerted on a mass 60kg to give it an acceleration of 10ms−² vertically upwards? [g = 10ms−²]
![A body is projected vertically upwards with a speed of 10 ms‾¹ from a point 2m above the ground. Calculate the total time taken for the body to reach the ground. [g = 10ms‾²]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "A body is projected vertically upwards with a speed of 10 ms‾¹ from a point 2m above the ground. Calculate the total time taken for the body to reach the ground. [g = 10ms‾²]")
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