Question

What force needed to stop a 500 kg tricycle in 6.0 s if it is traveling at 60 km/h?

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Answer 1

Hey mate here is your answer ...

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Answer 2

The force needed to stop a 500 kg tricycle in 6. travelling is travelling at 60 km/h is 1400N.

Given:

A 500 kg tricycle in 6.0 s if it is travelling at 60 km/h.

To Find:

The force needed to stop a 500 kg tricycle in 6.0 s if it is travelling at 60 km/h.

Solution:

To finds the force needed to stop a 500 kg tricycle in 6.0 s if it is travelling at 60 km/h we will follow the following steps:

As we know,

Force = Mass × acceleration.

Here, mass in kg and acceleration in ms-2.

To find the mass we will follow the following formula:

$a = \frac{v - u}{t}$

u is the initial velocity which is zero and v is the final velocity in ms-1.

t is the time taken.

$v = 60km {h}^{ - 1} = \frac{60 \times 1000}{3600} m {s}^{ - 1} = 16.7m {s}^{ - 1}$

Putting velocity in the above formula we get,

$a = \frac{16.7-0}{6} = 2.8m {s}^{ - 2}$

Now,

Force = 500 × 2.8 = 1400 newton (N).

Henceforth, the force needed to stop a 500 kg tricycle in 6. travelling is travelling at 60 km/h is 1400N.