We are standing in a bus and the bus begins to move suddenly. Now we tend to fall backwards. This is explained by which of Newton’s law of motion.
First
We are standing in a bus and bus begins to move suddenly. We tend to fall backwards. This is because the sudden start of the bus brings motion to the bus as well as to our feet in contact with the floor of the bus. But the rest of our body opposes this motion because of its inertia.