Free Printable Free Fall Review

1.

Earth's acceleration due to gravity is...

a)

18.2 m/s²

b)

-9.8 m/s²

c)

9.8 m/s

d)

-18.2 m/s²

2.

If Tony wants to calculate how long it would take his ball to hit the ground from a 10 meter high bridge. Which equation should he use?

a)

$v_f=v_o+at$

b)

$a=\ \frac{\left(2\left(\left[x_f-x_o\right]-v_ot\right)\right)}{t^2}$

c)

$t\ =\ \sqrt{\frac{\left(x_f-x_o\right)}{a}}$

d)

$v=\ \frac{d}{t}$

3.

Daniel drops a marble from the edge of the table. Abigail timed how long it took to hit the ground. Which equation should they use to calculate the velocity of the ball when it hit the ground?

a)

$v_f=v_o+at$

b)

$a=\ \frac{\left(2\left(\left[x_f-x_o\right]-v_ot\right)\right)}{t^2}$

c)

$t\ =\ \sqrt{\frac{\left(x_f-x_o\right)}{a}}$

d)

$v=\ \frac{d}{t}$

4.

Isabela is the first astronaut to walk on Planet X. As a part of her scientific explorations, she must calculate the acceleration due to gravity on this new planet. Which equation should she use?

a)

$v_f=v_o+at$

b)

$a=\ \frac{\left(2\left(\left[x_f-x_o\right]-v_ot\right)\right)}{t^2}$

c)

$t\ =\ \sqrt{\frac{\left(x_f-x_o\right)}{a}}$

d)

$v=\ \frac{d}{t}$

5.

A textbook is dropped from a second floor window and falls to the ground. What happens to the velocity as the book falls to the ground

a)

the velocity increases

b)

the velocity decreases

c)

the velocity remain constant

6.

A textbook is dropped from a second floor window and falls to the ground. What happens to the acceleration as the book falls to the ground

a)

the acceleration increases

b)

the acceleration decreases

c)

the acceleration remains constant

7.

Which one falls faster in vacuum? An elephant or a leaf?

a)

Elephant

b)

Leaf

c)

They are the same

d)

Nothing can be said

8.

If you drop a ball from the top of a building, estimate what the velocity will be after 6 seconds? (Assume gravity is -10m/s/s for this problem)

a)

-10 m/s

b)

-10 m/s/s

c)

-60 m/s

d)

-60 m/s/s

9.

Calculate acceleration due to gravity on a mysterious planet that takes an object 0.5 seconds to free fall a distance of 100 meters. The initial velocity is zero.

a)

400

b)

800

c)

200

d)

600

10.

How long will it take for tomato to hit the ground if it is dropped from a height of 100 meters. (g = -9.8m/s²)

a)

5.01 seconds

b)

10.2 seconds

c)

3.19 seconds

d)

7.03 seconds

Free Fall Review

Total questions: 10

Worksheet time: 10mins

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