Table of Contents
- 1 What is the reason that you experience a jerk whenever the school bus stops all of sudden?
- 2 Why do you fly forward when hitting a curb while riding a skateboard or bike explain in terms of inertia and Newton’s 1st law?
- 3 How does Newton’s first law explain what happens in a car crash?
- 4 What happens according to Newton if you let an untied balloon go?
- 5 How does friction affect the first law of motion?
What is the reason that you experience a jerk whenever the school bus stops all of sudden?
When a running bus or train stops suddenly, the passengers sitting in it jerk in forward direction due to the inertia of motion. The momentum of a moving body is equal to the product of its mass and its velocity.
Why should you hold on tight when riding a bus?
But many adults ride the bus to work or to get around town each day. You should not bring anything onto the bus that will distract the driver, and should always be sure to hold onto your possessions tightly to make sure that they don’t fall or roll forward.
Why does a package on the seat of a bus slide backward when the bus accelerates quickly from rest Why does it slide forward when the driver applies the brakes?
The passengers in a bus tend to fall backward when it starts suddenly due to inertia as the passengers tend to remain in the state of rest while the bus starts to move. When the bus stops suddenly, people fall forward because their inertia as they are in state of motion even when the bus has come to rest.
Why do you fly forward when hitting a curb while riding a skateboard or bike explain in terms of inertia and Newton’s 1st law?
1. Your body will keep moving forward and fly off your skateboard since the curb only stops the board, not yourself. It is given that name because inertia is the tendency of an object to resist any change in its motion until an unbalanced force acts on it. That is the same thing that Newton’s first law states.
Why does a man getting off a moving bus fall down?
When the person steps on the ground, his feet do not move but his upper body moves in the direction of the bus due to inertia of its motion. Since his upper body moves in the forward direction and his lower body does not move, the person falls in the forward direction.
What causes the motion of a body which is initially in the state of rest?
What causes the motion of a body which is initially in the state of rest? Explanation: The first law of motion states that a body remains in the state of motion or in the state of rest until and unless an external force is applied on it. Hence, the answer is force. This is also known as the law of inertia.
How does Newton’s first law explain what happens in a car crash?
Newtons first law of motion explains what happens in a car crash because it basically states that the passenger will continue to travel at the same velocity until an unbalanced force acts on he or she. The force that will act upon he or she would be the window, so you should always wear a seat belt!
How does Newton’s First Law explain the motion of the dummy?
Because, according to Newton’s first law, an object in motion will remain in motion until an outside force acts on it. When the car hits the wall, the dummy keeps moving in a straight line and at a constant speed until the dashboard applies a force.
Why does a child in a wagon fall backward when another child suddenly pulls the wagon forward?
why does a child in a wagon seem to fall backward when you give the wagon a sharp pull forward? The force is applied to the wagon, not the child, and so the wagon accelerates out from under the child, making it look like the child falls backwards relative to the wagon.
What happens according to Newton if you let an untied balloon go?
What happens according to Newton if you let an untied balloon go? 3rd Law Air will rush out of the balloon forcing the balloon to move through the air in the opposite direction, but equal in force. Larson, force will be put back on you.
Why does the skateboarder eventually stop?
Frictional force is a contact force which acts between two surfaces against the direction of motion of one surface over the other. Here, frictional force acts between skateboard and ground. This reduces the speed of the skateboard and it eventually stops.
What is Newton’s first law of motion?
Newton’s first law, or Law of Inertia, states, in very simple terms, that a body in motion tends to stay in motion at a constant velocity, unless an external force exerts some influence on it. This means that, if you are moving, your body will remain in motion until a force brings you to a stop.
How does friction affect the first law of motion?
Newton’s first law of motion states that there must be a cause—which is a net external force—for there to be any change in velocity, either a change in magnitude or direction. An object sliding across a table or floor slows down due to the net force of friction acting on the object.
What happens to your body when you sit on a bus?
You will tend to remain at rest while the bus accelerates forward. So, your body will remain stopped until a force is exerted on you (in this case, the seat on the bus). This means that when the bus starts moving you will be “pushed back” by your inertia until you reach the same velocity as the bus.
What happens to passengers when they are tightly strapped to car?
When you are tightly strapped to car, you will also be in the same motion state as the car. When a car accelerates, passengers will tend to accelerate with it. When it decelerates, passengers also decelerate with it. If the car is going at a constant speed, the passengers will also maintain the same constant speed.