Question

a body of mass 5 kg is moving with a velocity of 10m/s . a force is applied to it so that in 25 seconds, it attains a velocity of 35m/s. calculate the force applied​

Answer 1

Answer:

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Answer 2

Answer:

Force applied on the body = 5N.

Explanation:

Given:

• Mass of body (m) = 5 kg
• Initial velocity (u) = 10 m/s
• Final velocity (f) = 35 m/s
• Time (t) = 25 sec.

To Find:

• Force applied on the body.

We know that,

⇒ Force = mass × acceleration

Now, first we have to find acceleration.

$\longrightarrow \bf Acceleration = \dfrac{v-u}{m}\\ \\ \\ \longrightarrow \sf  Acceleration = \dfrac{35-10}{25} \\ \\ \\ \longrightarrow \sf  Acceleration = \dfrac{25}{25}\\ \\ \\ \longrightarrow \sf  Acceleration = 1\;m/s^{2}$

Now, put the values in the formula,

⇒ Force = mass × acceleration

⇒ Force = 5 × 1

⇒ Force = 5 N

Hence, force applied on the body = 5 N.

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