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4. What is the work done on an object that is moving with an average velocity of 5 m/s for 4 seconds if it is being pushed by a force of 8N? 

Sagot :

Answer:

The work done on the object is 160 Joules

Explanation:

The velocity, v = 5 m/s

The time, t = 4 seconds

The distance traveled by the object:

Distance = Velocity x Time

Distance = 5 x 4

Distance = 20 m

Force = 8 N

Work = Force x Distance

Work = 8 x 20

Work = 160 J