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3 years ago

A force acts for 10 s on a stationary body of mass 100 kg after which the force ceases to act.

Social Studies

1 answer:

34kurt3 years ago

3 0

Answer:

a) Velocity = 20m/s

b) Acceleration = 2m/s²

c) Force = 200N

Explanation:

a) Velocity acquired by the body

Formula for Velocity is given as = Distance / Time

In the question, Distance = 100m

Time = 5s

Velocity = 100m/ 5s

= 20m/s

Therefore, Velocity acquired by the body = 20m/s

b) Acceleration produced by the force is calculated as:

Formula for Acceleration = Velocity/ Time

Velocity is calculated as Velocity acquired by the body = 20m/s

Time = 10s

a = 20m/s / 10s

a = 2m/s²

Therefore, Acceleration produced by the force = 2m/s²

c) Force = Mass × Acceleration

From the above question,

Mass = 100kg

Acceleration = 2 m/s²

Force = 100kg × 2m/s²

= 200kgm/s² or 200 N(Newton)

Therefore, Force produced by the body = 200N

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