1.

A force of 20 N acts on a body of mass 5kg at rest. What is the acceleration of the body? What is its velocity after 5 seconds if the same force acts? After 5 seconds if the force ceases to act how will the body move?

Answer»

`4m//s^2` , 20 m/s, UNIFORM VELOCITY
` 2m//s^2` , 15 m/s , uniform velocity
`2m//s^2`, 10 m/s , uniform velocity
`4m//s^2`,20 m/s, uniform acceleration

Answer :A


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