Gravitational force is the attractive force exerted by the earth on all the objects in the universe. Example of gravitational force is when a ball is thrown upwards, it falls back on the ground because of gravitational force.

Why does a ball thrown up in the air always return back?

Gravitational force of the earth acts on every object having mass. When an object is thrown upwards the gravitational force of the earth acts against the velocity of the object and pulls the object downwards, i.e, towards itself. thus the object returns back towards the earth.

When we throw a ball into the air it falls back?

When we throw a ball into air, it falls back. The force responsible for this is GRAVITATIONAL FORCE.

What happens to a ball when thrown?

When we throw a ball upwards, its speed retards gradually. This is because the earth produces a gravitational force which brings down everything that goes up. So when a ball is thrown upward the gravity applies force to bring it down which decreases its speed of going up.

What happens to a ball when you throw it upward?

What happens when a ball is thrown vertically upward? When a ball is thrown vertically upward it starts its vertical motion with an initial velocity. As it moves upwards vertically its velocity reduces gradually under the influence of earth's gravity working towards the opposite direction of the ball's motion.

Why does a ball thrown upward in a train moving with uniform velocity returns to the thrower?

Solution : Both during its upward and downward motion, the ball continues to move inertia of motion with the same horizontal velocity as the train. In this period, the ball covers the same horizontal distance as the train and so it comes back to the thrower.

Why do thing thrown upward fall down?

Gravitational force due to earth acts on the object and its direction is always in the vertically downward. Therefore if the object is moving in the upward direction then gravity opposes that motion.

Why does a ball thrown upwards fall vertically downwards when only an upward force was applied on it?

Explanation:This is because of "Gravitational force or Gravity" acting on an object.

Is thrown vertically upward in a train moving with uniform velocity the ball will?

Since train is moving with uniform velocity so when the thrower throws the ball upward ball has already acquire the same velocity as that of moving train and have moved the same distance as that of thrower.

Does a ball take longer to go up or down?

The answer is: Down.

Only if there was no air resistance would the up and down times be the same.

Which describes how objects tend to resist changes in motion?

Inertia is the tendency of an object to resist changes in its state of motion.

What causes an object in motion to stay in motion?

Inertia causes a moving object to stay in motion at the same velocity (speed and direction) unless a force acts on it to change its speed or direction. It also causes an object at rest to stay at rest.

What makes the object in motion causes changes in its state of?

Force change the state of any object. Explanation: Force is defined as any external push or pull exerted on a body that tends to change its state. Newton's second law of motion introduces the concept of force.

Why does a stationary object resist movement?

A stationary object resists movement only because of gravity. The tendency of an object to resist a change in motion depends on its mass. If the net force acting on an object is zero, its inertia is also zero. When you are moving at a high rate of speed, inertia makes is hard to stop.

Why does it take a ball longer to fall?

While coming down, the force of air drag is upward and the force of gravity is downward, so the ball's downward acceleration has average magnitude less than g, say adown < g. . As aup > adown, so tdown > tup , thus it takes longer coming down.

Why does a ball take same time to go up and down?

The instantaneous speed of any projectile at its maximum height is zero. Because gravity provides the same acceleration to the ball on the way up (slowing it down) as on the way down (speeding it up), the time to reach maximum altitude is the same as the time to return to its launch position.

How does air resistance affect a ball thrown up?

The magnitude of the ball's acceleration with air resistance increases as the ball moves upwards because air resistance acts downwards, and the acceleration due to gravity also acts downwards. Acceleration becomes more negative, increasing the magnitude of the acceleration.

How does air resistance affect the acceleration of falling objects?

When air resistance acts, acceleration during a fall will be less than g because air resistance affects the motion of the falling objects by slowing it down. Air resistance depends on two important factors - the speed of the object and its surface area. Increasing the surface area of an object decreases its speed.

When a ball thrown straight upwards reaches the very top of its path?

When a rock thrown straight upward gets to the exact top of its path, the magnitude of its a velocity is zero and its acceleration is zero.

When a ball is thrown straight up with no air resistance the acceleration at its highest point is?

When a ball is thrown straight up with no air resistance, the acceleration at its highest point Group of answer choices is downward is zero is upward reverses from upward to downward reverses from downward to upward. Nishant K.

When a ball is thrown vertically upwards and reaches its maximum height it has?

At maximum height its velocity is zero and the acceleration on it, is the acceleration due to gravity which is a constant quantity.

What is the acceleration of a ball thrown upward?

The ball's acceleration is the same throughout the throw (It is 9.8 m/s2 toward the earth). The direction of the ball's motion is upward, and doesn't change. The speed of the ball will decrease as it goes higher. At the top of the motion, the speed is zero.

What is the resistance to motion called?

Inertia is the tendency of an object to resist changes in its state of motion.

Which affects the motion of an object?

There are four main factors that affect the motion of an object. These four factors are force, friction, inertia and momentum.

When an object is stationary then the forces on it are?

For both stationary and moving objects with unchanging speed and direction, all the forces acting on the objects are in balance with each other, i.e. they all cancel each other out.