free fall conceptual physics

Front

What is free fall?

Back

Free fall is the motion of an object under the influence of gravitational force only, with no other forces acting on it.

Front

What is the acceleration due to gravity (g) on Earth?

Back

The acceleration due to gravity (g) on Earth is approximately 9.81 m/s², often rounded to 10 m/s² for simplicity in calculations.

Front

How do you calculate the distance fallen in free fall?

Back

Distance fallen (d) can be calculated using the formula: d = 0.5 * g * t², where g is the acceleration due to gravity and t is the time in seconds.

Front

What is the distance a ball falls after 1 second?

Back

After 1 second, a ball falls approximately 5 meters.

Front

What is the distance a ball falls after 2 seconds?

Back

After 2 seconds, a ball falls approximately 20 meters.

Front

What is the distance a ball falls after 3 seconds?

Back

After 3 seconds, a ball falls approximately 45 meters.

Front

What is the distance a ball falls after 4 seconds?

Back

After 4 seconds, a ball falls approximately 80 meters.

Front

What is the distance a ball falls after 5 seconds?

Back

After 5 seconds, a ball falls approximately 125 meters.

Front

What does a velocity-time graph with a straight line indicate?

Back

A straight line on a velocity-time graph indicates constant speed.

Front

Why do a bowling ball and a feather fall at different rates in air?

Back

They fall at different rates due to air resistance; the feather experiences more air resistance relative to its weight.