Motion
A push or pull
What is Force?
Suppose there are passengers seated in a boat. Are the passengers moving compared to the boat? why or why not?
No, because the distance from the passengers and the boat stays the same.
In what ways can a force make an object move?
Candace an object start to move
speed up
slow down
stop or change direction
The rate at which an object changes position is called what?
Speed.
What is velocity?
It combines both the speed and direction of an object.
A change in a position of an object
What is motion?
Is a person rowing a boat moving compared to someone standing on the shore? How do you know?
Yes, because the distance between the person rowing and the person standing changes.
What will happen if a moving bumper car is hit form the side by another bumper car?
The first car will probably change direction.
the faster an object moves, the more what it has?
Energy.
Name some words that describe directions.
North, south, east, west, left, right, up and down.
A place or object used to determine if an object is in motion.
What is a reference point?
What is the relative motion of a person who is running past you?
The person is passing you.
The amount of force on an object affects what?
How the object changes speed, direction or both.
How do you calculate average speed?
You divide the total distance by the total time.
What happens after a roller coaster moves to the top of the loop?
As it moves to the bottom of the loop it reaches a greater speed.
True or False? A force can make a moving object stop.
What is true?
If two bikers are moving at the same speed and the biker in the back uses only the biker in the front as a reference point, what the biker in the back conclude?
The biker in the back may not be able to tell whether he or she is moving.
What is the name of the force that pulls all objects towards each other?
Gravity.
If you walk 4 kilometers in 30 minutes, how far would you walk in an hour?
8 kilometers.
True or False? An object is accelerating only if it is speeding up.
False. Acceleration is any change in speed and direction, including slowing down.
True or False? If the same force acts on an object it will increase its' speed.
What is false - the speed will not change.
Name some ways you know that someone is moving on a water slide.
Look at the changing position of the person.
You compare the person's position with a fixed position on the slide.
You look at the relative motion of the things around you to decide what is moving and what is not moving.
What is the difference between mass and weight?
Mass measures how much matter is in an object, while weight measures how strong the force of gravity is on an object.
If a car travels 120 km in 2 hours, what is its' average speed?
60 km per hour
Which of the following is not an example of acceleration?
A train slowing down to a stop
A train moving at the same speed going around a corner
A train moving at the same speed in the same direction.
A train increasing its speed.
A train moving at the same speed in the same direction.