Directions: Choose the correct answer and write the letter on the blank before each number. __b__ 1. A bird is flying gracefully in the air. The action force is the wings of the bird pushes the air downward, the reaction force is…
a. The air resistance against the wings
b. The air pushes the wing of the bird upward
c. The bird is falling down
d. The wings of the bird closes
_a___ 2. A player catches a ball. The action force is the impact of the ball against the player’s
glove. The reaction force is…
a. The force the glove exerts on the ball
b. The player’s grip on the glove
c. The friction of the ground on the player’s shoes
d. The air resistance on the glove
_____ 3. A player hits a ball with a bat. The action force is the impact of the bat against the ball.
The reaction force is…
a. The grip of the player’s hands on the ball
b. The air resistance on the ball
c. The force of the ball against the bat
d. The player’s hand against the ball
_____ 4. A baseball player bats a ball with a force of 1,000 N. The ball exerts a reaction force
against the bat of…
a. 1,000 N
b. Less than 1,000 N
c. More than 1,000 N
d. Much more than 1,000 N
_____ 5. A person is attracted toward the center of the Earth by a 500 N gravitational force. The
force that the Earth is attracted toward the person is….
a. 500 N
b. More than 500 N
c. Much less than 500 N
d. Much more than 500 N