Midterm Flashcard Part 2

Front

What is the acceleration due to gravity on Earth?

Back

9.8 m/s/s (Negative) - gravity acts downwards.

Front

What is the formula to calculate the horizontal distance traveled by an object rolling off a cliff?

Back

Horizontal Distance = Velocity x Time

Front

How do you calculate the time it takes for an object to fall from a height of 60 m?

Back

Use the formula: t = √(2h/g), where h = height and g = 9.8 m/s².

Front

What is the vertical velocity of an object at the peak of its trajectory?

Back

Zero.

Front

What is the acceleration of an object in free fall?

Back

9.8 m/s² (downward).

Front

What happens to the velocity of an object as it falls under the influence of gravity?

Back

The velocity increases as it falls.

Front

What is the significance of the negative sign in the acceleration due to gravity?

Back

It indicates that the acceleration is directed downward.

Front

What is the relationship between mass and acceleration due to gravity?

Back

All objects fall at the same rate regardless of mass.

Front

What is the resultant vector when two perpendicular vectors are added?

Back

The resultant vector is equal to the square root of the sum of the squares of the two vectors.

Front

What is the formula for calculating the resultant of two vectors at right angles?

Back

R = √(A² + B²), where A and B are the magnitudes of the vectors.