Newton's Laws Flashcards
Newton’s First Law
An object at rest stays at rest unless acted upon by an unbalanced force.
Newton’s Second Law
F=mxa
Newton’s Third Law
For every action, there is an equal and opposite reaction
Inertia
An object’s tendency to keep the same motion
When a bat strikes a ball, the force exerted sends the bat backwards.
3rd Law
When hit from behind in a car crash, a person can suffer a neck injury of whiplash.
1st Law
An object at rest will stay at rest if no outside forces are applied.
1st Law
A greater applied force is required to move an object with a greater mass than one with a smaller mass.
2nd Law
The unit for force is . . .
Newtons
In theory, if a baseball and a cannonball are dropped from the same height at the same time, which ball will hit the ground first?
They would hit the ground at the same time
An ice skater at rest pushes against a sled at rest, causing both the skater and sled to move away from each other with different accelerations.
2nd Law
Acceleration is caused by a force acting on a mass.
2nd Law
A person in car slides to the right when going through a very sharp left turn on the highway.
1st Law
A magician pulls a tablecloth out from under dishes on a table without disturbing them.
1st Law
The swimmer moves her hand down and to the left and her body goes forward to the right.
3rd Law
