Kinetic Energy
Energy in motion is...
What is kinetic energy
Name 3 types of force
What is gravity, magnetism, air resistance and friction
Motion is described by an objects __________ and ________.
What is speed and direction
An object at rest will stay at rest, and an object in motion will stay in motion, until acted on by an unbalanced force.
What is Newton's 1st Law of Motion
Stored energy is...
What is potential energy
Which has more kinetic energy a fast ball or an underhanded pitch?
What is a fast ball
What is the force that occurs when matter rubs against matter?
What is friction
Speed equals ________ dived by ________ spent moving.
What is distance divided by time spent moving
F=MxA
The force of an object is equal to its mass times its acceleration.
What is Newton's 2nd Law of Motion
What two things impact Gravitational Potential Energy
What is the height off the ground and mass of the object.
All ______ objects have kinetic energy.
What is moving
What is a push, or pull that causes an object to move, stop, or change speed or direction.
What is unbalanced force
When playing tug of war, how would the right team win?
(Must explain in terms of forces, i.e., balanced and unbalanced forces)
What is the unbalanced force accelerates the rope in the direction of the stronger force.
For every action there is an equal and opposite reaction.
What is Newton's 3rd Law of Motion.
The _________ an object is the more potential energy it has.
What is higher
What is one time of the day that you use kinetic energy?
What is gym, walking to class, or taking notes in class.
Force is measured in..
What is Newtons (N)
A box is on the ground and given a brief push, the force of the push is greater than the frictional forces. What happens immediately after the push?
What is the box will speed up because of the difference in magnitude of the two forces
A sling shot applies force to three objects with masses of 10 grams (Ping Pong Ball), 50 grams(baseball), and 500 grams(bowling ball).
What can be said about the forces acting as the slingshot hits the objects? Hint: Think about Newton's third law and motion!
What is the sling shot applied a force to each object but each object moved differently because of its mass.
What is the potential energy is transformed (converted) to kinetic energy.
Which point on a roller coaster would the kinetic energy be the highest.
What is at the bottom of the hill
What force allowed Ms. Green to throw a tennis ball up in the air, make it pause mid air, and return to her?
Unless acted on by a force objects in ________ tend to stay in _______, and objects in _____ tend to stay in _____.
What is motion, motion, rest, rest
Give me a real-life example of each of Newton's Laws of Motion
Newton's First Law (Law of Inertia)
An object at rest stays at rest, and an object in motion stays in motion unless acted upon by an external force.
Newton's Second Law (F = ma)
The force acting on an object is equal to its mass times its acceleration.
Newton's Third Law
For every action, there is an equal and opposite reaction.
Name three different objects in the room with potential energy, then order them from most potential energy to least.
What is the clock, a book on a desk, and a pencil on the floor.