A truck has a mass of $8000 k g$ , a car has a mass of $1000 k g$ and a bike has a mass of $100 k g$ . All of them are moving with the same velocity on a road. Then, the kinetic energy will be highest for the:

Bike

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Car

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Truck

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All three have same kinetic energy

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Solution

The correct option is C
Truck

We know that, kinetic energy K.E $= \frac{1}{2} m v^{2}$
where $m$ and $v$ are mass and velocity of the body respectively.

Here as the velocity is constant, K.E is directly proportional to mass.
As the truck has more mass, it will have the highest kinetic energy.

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A truck has a mass of 8000 kg, a car has a mass of 1000 kg and a bike has a mass of 100 kg. All of them are moving with the same velocity on a road. Then, the kinetic energy will be highest for the:

The correct option is C Truck We know that, kinetic energy K.E =12mv2 where m and v are mass and velocity of the body respectively. Here as the velocity is constant, K.E is directly proportional to mass. As the truck has more mass, it will have the highest kinetic energy.

A truck has a mass of $8000 k g$ , a car has a mass of $1000 k g$ and a bike has a mass of $100 k g$ . All of them are moving with the same velocity on a road. Then, the kinetic energy will be highest for the:

The correct option is C
Truck

We know that, kinetic energy K.E $= \frac{1}{2} m v^{2}$
where $m$ and $v$ are mass and velocity of the body respectively.

Here as the velocity is constant, K.E is directly proportional to mass.
As the truck has more mass, it will have the highest kinetic energy.