00:01
Hello students, this question says that if we throw a heavy ball horizontally while standing on a skateboard, we roll bed first.
00:09
Why does this happen? so, in order to explain this, first let us see that what happens, that this is a man, stand of mass capital m, standing on a skateboard and throws a ball of small mass of small m in forward direction with some velocity u for let us assume.
00:30
And the question says that if we throw this ball in forward direction, the man, this ball, this particular person is pushed in backward direction.
00:41
So what does this happen? as there is no external force involved in this question, the momentum is conserved.
00:48
Momentum of system is conserved.
00:52
Of system is conserved.
01:01
Which means that the initial if, if that the initial momentum, would be equal to the final momentum.
01:09
As initially, both the man and the ball is at rest, the initial momentum is zero, and in order to balance this equation, or this, in order to satisfy this, if we throw a ball in forward direction, we get pushed in backward direction in order to maintain the momentum, in order to conserve the momentum...