-- the gravitational attraction between the football and the Earth, acting vertically downward;
-- the normal force of the ground or the shelf under the football, acting vertically upward.
These two forces are precisely equal and opposite. If they're weren't, then the football
would be accelerating vertically, not at rest.
The main forces acting on a box resting on a table are the gravitational force pulling it downwards and the normal force exerted by the table supporting the weight of the box. These forces are balanced when the box is at rest.
As long as the book's velocity changes, there is a net forces acting on it - in other words, the forces are unbalanced. By the way ... How exactly does a book that is resting on a table slow down and come to a stop ?
The two balanced forces acting on the ball are the force of gravity pulling the ball downward and the normal force exerted by your hand upward to support the ball's weight.
Two forces acting on a book are gravity pulling it downwards towards the Earth and the normal force exerted by the surface it is resting on that pushes back against gravity to keep the book stationary.
Two forces that are always acting on an object are gravity, which pulls the object towards the center of the Earth, and normal force, which is the force exerted by a surface to support the weight of an object resting on it.
The main forces acting on a box resting on a table are the gravitational force pulling it downwards and the normal force exerted by the table supporting the weight of the box. These forces are balanced when the box is at rest.
-- the gravitational attraction between the football and the Earth, acting vertically downward; -- the normal force of the ground or the shelf under the football, acting vertically upward. These two forces are precisely equal and opposite. If they're weren't, then the football would be accelerating vertically, not at rest.
If your body isn't moving, balanced forces must be acting on it.
As long as the book's velocity changes, there is a net forces acting on it - in other words, the forces are unbalanced. By the way ... How exactly does a book that is resting on a table slow down and come to a stop ?
The two balanced forces acting on the ball are the force of gravity pulling the ball downward and the normal force exerted by your hand upward to support the ball's weight.
Two forces acting on a book are gravity pulling it downwards towards the Earth and the normal force exerted by the surface it is resting on that pushes back against gravity to keep the book stationary.
Two forces that are always acting on an object are gravity, which pulls the object towards the center of the Earth, and normal force, which is the force exerted by a surface to support the weight of an object resting on it.
Yes. Gravity pulls it down; the road, or any surface the car is resting on, pushes it up.
If a body is at rest ... or traveling at a constant speed in a straight line ... there could well be millions of forces acting on it. The only conclusion you can draw from the fact that it has no acceleration is that all the forces acting on it must add up to zero.
A book resting on a table is an example of a moving body in equilibrium. The book is stationary and not accelerating, meaning the forces acting on it are balanced.
The three forces acting on a book could include gravity, which pulls the book downward towards the Earth; the normal force exerted by the surface the book is resting on, which pushes the book upwards to balance gravity; and friction if the book is being pushed or pulled across a surface.
The main force acting on a still object is typically the force of gravity pulling it down towards the Earth. Other forces, such as friction and air resistance, may also act on the object depending on the surface it is resting on and the environment it is in.