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Examine the condition when two forces And
A basic law of physics is that an object in motion will stay in motion, and an object at rest will stay at rest. This is because the force of gravity is balanced out. Gravity pulls down on the book and the force of the table pushing up from the ground is equal to that force, so the book will not move because these two forces hold it in place.
A book sitting on a desk is at rest. It is in motion if the book falls to the floor from the desk.
Yes, in a way. You place a cup on a table and don't expect the cup to move unless you push it or you tip the table so creating a slope down which the cup must move due to gravity and with the lessening friction with the table's surface. Therefore, friction and gravity combine to ensure your cup remains in place. So, a cup on a level table top will not move unless you give it a shove, so exerting an outside force.
The book is experiencing inertia; a state which resists change in motion. This is represented by Newton's first law of motion which states that an object at rest will remain at rest and an object in motion will remain in motion unless acted upon by an external force. Therefore the book in the car continues to move forward until it is acting on by an external force such as the applied force of something in the book's path of motion.
Examine the condition when two forces And
Examine the condition when two forces And
An object at rest tends to remain at rest - an object in motion tends to remain in motion.
When a book falls off the table, it changes from a state of rest to a state of motion. Gravity is the force acting on the book that causes it to fall.
A basic law of physics is that an object in motion will stay in motion, and an object at rest will stay at rest. This is because the force of gravity is balanced out. Gravity pulls down on the book and the force of the table pushing up from the ground is equal to that force, so the book will not move because these two forces hold it in place.
A book sitting on a desk is at rest. It is in motion if the book falls to the floor from the desk.
yes
No. If the book is sliding along the table, then there must be some external force being applied to the book to cause the movement. You pushed the book and created a force to move. And this is exactly what the first law is saying- a body at rest (net forces acting on book=0) remains at rest unless acted upon my some external force.
In reality, all motion is relative. Whether an object is at rest or in motion depends on the reference frame from which it is observed. Also, you did not indicate any information about the context, so we cannot provide any answer beyond what is given above.
motion : when a body is moving or changing its position with respect to its surroundings is called motion. rest: when a body is not moving or fixed at a place with respect to its surroundings is called rest.
Inertia. Newton's First Law of Motion: "A body at rest tends to stay at rest, while a body in motion tends to stay in motion."
Yes, in a way. You place a cup on a table and don't expect the cup to move unless you push it or you tip the table so creating a slope down which the cup must move due to gravity and with the lessening friction with the table's surface. Therefore, friction and gravity combine to ensure your cup remains in place. So, a cup on a level table top will not move unless you give it a shove, so exerting an outside force.