Question

2. Calculate the net force acting on a body of mass 40 kg moving with a uniform velocity
of 2ms-1​

Answer 1

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0

Explanation:

It is given that the body is moving with a uniform velocity.

Now uniform velocity means it's covering equal distance in equal intervals of time. This means that there is no acceleration on the body.

We can say acceleration =0

Now force applied on this body = mass × acceleration

Since acceleration is 0 thus the force applied on this body is also 0.

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Answer 2

Given :-

Mass of the body = 40 kg

Velocity of the body moving = 2 m/s

To Find :-

The net force acting on the body.

Analysis :-

Here we are given with the mass and velocity of the body.

Substitute the given values given in the question accordingly.

Solution :-

We know that,

• a = Acceleration
• f = Force
• m = Mass

According to the question,

Since the object moving velocity is uniform. Acceleration is directly proportional to force.

Using the formula,

$\underline{\boxed{\sf Force=Mass \times Acceleration}}$

Given that,

Mass (m) = 40 kg

Acceleration (a) = 0 m/s

Substituting their values,

⇒ f = ma

⇒ f = 40 × 0

⇒ f = 0 N

Therefore, the net force acting on the body is 0 N.