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A constant force acts on a body of mass ...

A constant force acts on a body of mass 5 kg at rest for 10s. If the body moves through a distance of 250 m, what is the magnitude of the force?

A

15N

B

25N

C

30N

D

40N

Text Solution

Verified by Experts

The correct Answer is:
B
Using `s= ut+(1)/(2) at^(2)`, we get
`250= 0+(1)/(2)xx a xx 100`
`therefore 50a = 250 therefore a = 5 m//s^(2)`
`therefore " Force" =m xx a = 5 xx5= 25N`
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