Laws of Physics
The laws of physics determine how objects look and move in real life and you need to understand this to be able to make animations more believable.
Mass is the amount of physical matter contained in the object and it is determined by a combination of weight, size, and composition. Mass also affects the speed and movement of animated objects. An example of this is a soccer ball and a balloon. The soccer ball has a greater mass than the balloon, and the soccer ball will move faster than the balloon due to its mass.
Gravity is a strong force that draws objects toward each other and it determines how things rise, fall, and move. For example, a bolder will fall straight down because gravity is pulling it towards the earth.
Weight is determined by the mass of the object combined with a gravitational force. If a designer is animating a mother picking up her child, he needs to consider the realistic weight of the baby and how it looks to pick up the baby.
Directional Forces are also called throw forces. An example of this is a baseball player throwing the baseball to another player. The ball goes forward instead of going straight to the ground.
Arc- an example of arc in animation is when a baseball player throws the baseball to another player, and the ball gets closer to the ground as it travels further away from the player who threw the ball.
Damping Force- when a volleyball player is playing on a volleyball court with a wooden floor, when the player spikes the ball, the ball will continue to bounce because the floor has a low damping force.
Acceleration and Deceleration- when a tennis ball is thrown in the air, it will decelerate as it travels upward because it is going against the pull of gravity. When the tennis ball starts to travel down to the ground, it will accelerate because gravity is pulling it toward the earth.
Resistance- when a piece of paper is put on a blowing fan, the paper will move away from the fan due to the strong force of air that the fan is producing.
Mass is the amount of physical matter contained in the object and it is determined by a combination of weight, size, and composition. Mass also affects the speed and movement of animated objects. An example of this is a soccer ball and a balloon. The soccer ball has a greater mass than the balloon, and the soccer ball will move faster than the balloon due to its mass.
Gravity is a strong force that draws objects toward each other and it determines how things rise, fall, and move. For example, a bolder will fall straight down because gravity is pulling it towards the earth.
Weight is determined by the mass of the object combined with a gravitational force. If a designer is animating a mother picking up her child, he needs to consider the realistic weight of the baby and how it looks to pick up the baby.
Directional Forces are also called throw forces. An example of this is a baseball player throwing the baseball to another player. The ball goes forward instead of going straight to the ground.
Arc- an example of arc in animation is when a baseball player throws the baseball to another player, and the ball gets closer to the ground as it travels further away from the player who threw the ball.
Damping Force- when a volleyball player is playing on a volleyball court with a wooden floor, when the player spikes the ball, the ball will continue to bounce because the floor has a low damping force.
Acceleration and Deceleration- when a tennis ball is thrown in the air, it will decelerate as it travels upward because it is going against the pull of gravity. When the tennis ball starts to travel down to the ground, it will accelerate because gravity is pulling it toward the earth.
Resistance- when a piece of paper is put on a blowing fan, the paper will move away from the fan due to the strong force of air that the fan is producing.
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