Question

iii. newtons third law of motion

1. newtons third law of motion is also known as the law of action/reaction. newtons third law says that every time there is a force, there is also a force that is
2. newtons third law says that in size and acts in the direction.
3. newtons third law states that forces must always occur in action forces. tell the reaction force.
4. listed below are action forces. tell the reaction force.

a. your bottom pushing on your desk seat
b. a bat hitting a baseball
c. your finger pressing on your phone screen while texting

Explanation:

Step1: Recall Newton's third - law

Newton's third law states that for every action force, there is an equal and opposite reaction force.

Step2: Analyze case a

The action force is your bottom pushing on the desk seat. The reaction force is the desk seat pushing back on your bottom.

Step3: Analyze case b

The action force is the bat hitting the baseball. The reaction force is the baseball hitting the bat.

Step4: Analyze case c

The action force is your finger pressing on the phone screen. The reaction force is the phone screen pushing back on your finger.

Answer:

a. Reaction force: The desk seat pushing on your bottom.
b. Reaction force: The baseball hitting the bat.
c. Reaction force: The phone screen pushing on your finger.