How many people died from the 35W bridge?
How does gravity affect a car that falls off a cliff?
Answer. Answer: When the car drives off the cliff, at some point it has a portion of it falling and consequently rotating due to torque exerted by gravity while the other end remains at its original height due to normal forces. As a result, the car will tend to have some sort of rotation as it falls.
What would happen if there wasn't any air resistance to slow down falling objects?
Air resistance (also called drag) slowed down the heavier piece. Drag opposes the direction that the object is moving and slows it down. ... If there were no air, the two objects would hit the ground at the same time. To slow down a fall of an object, you will want to create more drag.
What is the acceleration of a rock at the top of its trajectory when it has been thrown straight upward?
So at the top of the rocks trajectory, the acceleration of the rock will be g (9.
Do heavier objects fall faster?
Galileo discovered that objects that are more dense, or have more mass, fall at a faster rate than less dense objects, due to this air resistance. ... Air resistance causes the feather to fall more slowly.
Would a brick or feather fall faster?
Galileo discovered that objects that are more dense, or have more mass, fall at a faster rate than less dense objects, due to this air resistance. A feather and brick dropped together. Air resistance causes the feather to fall more slowly.
Does a feather fall at the same speed?
If no air resistance is present, the rate of descent depends only on how far the object has fallen, no matter how heavy the object is. This means that two objects will reach the ground at the same time if they are dropped simultaneously from the same height. ... In air, a feather and a ball do not fall at the same rate.
Do lighter objects fall faster?
Answer 2: No, heavier objects fall as fast (or slow) as lighter objects, if we ignore the air friction. The air friction can make a difference, but in a rather complicated way. The gravitational acceleration for all objects is the same.
Do heavier objects fall faster Galileo?
It was in the nature of falling, said Aristotle, that heavy objects seek their natural place faster than light ones -- that heavy objects fall faster. Galileo took an interest in rates of fall when he was about 26 years old and a math teacher at the University of Pisa.
Will two objects fall at the same speed?
If you neglect air resistance, objects falling near Earth's surface fall with the same approximate acceleration 9.
Does Weight Affect falling speed?
The simplest answer is: no, an object's weight usually will not change its falling speed. For example, you can test this by dropping a bowling ball and a basketball from the same height at the same time--they should fall at the same speed and land at the same time.
What falls faster an elephant or a mouse?
True or False? Free body diagrams of the Elephant and Mouse show that the mouse quickly reaches terminal velocity, (Terminal Velocity occurs when Fg = Fair) while the elephant continues to accelerate for much longer. The elephant is therefore going faster when it hits the water.
Does size affect speed?
Our results show that the size of an object affects the perception of its speed. In particular, smaller objects appeared to move faster in translational motion.
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