Vocabulary
What forces acts upon you on a roller coaster
gravity and friction
Which law is this? F=mass X acceleration
Newtons 2rd law
What is the energy of motion?
Kinetic energy
What is the formula for acceleration?
a=f/m
Just prior to touchdown on the moon, a space ship fires rockets to slow its fall. Which force are the rockets designed to go against? A. Friction B. Magnetic force C. Gravity
C. Gravity
What does Newton's 3rd law state?
For every action, there is an equal and opposite reaction.
what is the equation for mass?
m=f/a
What is the difference between balanced forces and unbalanced forces.
Balanced forces- Describes equal forces that combine to act on an object in opposite directions Unbalanced forces- A force that causes an object to change its motion
The same forces is applied to all of these objects ( bowling ball, car, pencil, train). Which object is most likely to move?
Pencil
what is newtons 1st law?
An object in motion will stay in motion unless a force acts upon it.
What is kinetic energy?
Kinetic energy is energy in motion in an object.
What is mass measured in?
kilograms
In order to win a game of tug-of-war, what must happen? A. The teams must pull with increasing force B. One team must pull with greater force than the other
B.
Which law is this? Acceleration depends on mass of an object and the forces acting on it.
Newtons 2nd law
How many types of energy are there
6
What is acceleration measured in?
meters/second/second
Which definition matches work
A push or pull that acts on an object
If a basketball player is bouncing a ball what action should the player use to bounce higher?
A. Decrease the force used to bounce the ball B. Increase the force used to bounce the ball C. Bounce the ball fewer times with the same force
What are Newtons 3 laws based on?
Forces