Why do you need to use force in moving a ball up a ramp?

Why do you need to use force in moving a ball up a ramp?

(1) Force making the ball move up the ramp. (2) Friction Force (fighting against the Force that is moving the ball up the ramp). (4) Reactionary (counter) Force against Gravity – this is so the ball doesn’t sink all the way down to the center of the Earth but stays on the surfaces of the ramp.

What force causes a ball rolling down a ramp to eventually slow down and stop?

Friction is a force that slows down moving objects. If you roll a ball across a shaggy rug, you can see that there are lumps and bumps in the rug that make the ball slow down. The rubbing, or friction, between the ball and the rug is what makes the ball stop rolling.

What stops a ball from rolling?

When you roll a ball on the ground, the electrons in the atoms on the surface of the ground push against the electrons in the atoms on the surface of your ball that is touching the ground. A rolling ball stops because the surface on which it rolls resists its motion. A rolling ball stops because of friction.

What are the forces acting on the ball?

The forces are the weight, drag, and lift. Lift and drag are actually two components of a single aerodynamic force acting on the ball. Drag acts in a direction opposite to the motion, and lift acts perpendicular to the motion.

What forces eventually cause the ball to stop?

The force in question is friction. There is also friction between the ground and part of the ball that touches the ground as it rolls. The friction force acts in the opposite direction to the motion of the ball, slowing it and eventually stopping it.

What is an example of balanced forces?

When two forces are the same strength but act in opposite direction, they are called balanced forces. Again, tug-of-war is a perfect example. If the people on each side of the rope are pulling with the same strength, but in the opposite direction, the forces are balanced. The result is no motion.

What are 2 examples of balanced forces?

Here are some examples of situations involving balanced forces.

• Hanging objects. The forces on this hanging crate are equal in size but act in opposite directions.
• Floating in water. Objects float in water when their weight is balanced by the upthrust from the water.
• Standing on the ground.

How do you find unbalanced forces?

Unbalanced forces

1. If the forces on an object are unbalanced, this is what happens:
2. In the example below, the resultant force is the difference between the two forces:
3. 100 – 60 = 40 N (to the right)
4. The change in the motion of an object depends upon:
5. The greater the resultant force, the greater the change in the motion of the object.

Can balanced forces move a body at rest?

A force that does not change the state of rest or motion of an object is a balanced force. So a balanced force does neither make a body at rest to move nor make a body in motion to come to rest. It does not allow a body in motion to even change its direction or increase its speed too.

Which force can move a body at rest?

Decelerating force

What does balanced forces usually do to a body?

Forces that are equal in size but opposite in direction are called balanced forces. Balanced forces do not cause a change in motion. When balanced forces act on an object at rest, the object will not move. If you push against a wall, the wall pushes back with an equal but opposite force.