Question

A truck of mass 6 tonnes acquires a speed of 50 km/h in 15 sec. Calculate how much force is required

Answer 1

Answer:

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Answer 2

Answer:

The force required is 20,000 N.

Explanation:

We are the speed of the truck becomes 50 Kilometre per hour in just about 15 seconds of time and we also know that the weight of the given truck is high and is about six tonnes so the force required to stop the truck or the force which the truck has can be calculated using the formula of product of acceleration and mass.

                                                   $F = m \times a$

Acceleration also we know that it is velocity per unit time. Hence putting the value of the given velocity and the time given to acquire that velocity would give us the acceleration.

Hence we get the answer as,

              $\frac {50}{15} \times 6000 = 20,000 N.$

The force required is 20,000 N.