Describing and Measuring Motion
Acceleration
Nature of Force
Friction and Gravity
Miscellaneous
100
Using this you can tell an object is in motion
What is a reference point?
100
The rate at which the velocity of an object changes
What is acceleration?
100
A push or a pull
What is a force?
100

If I want to throw a ball as far as I can, what degree should I release the ball?

45 degrees

100

Also called the law of Inertia

What is newton's first law of motion?

200
Make the best reference points to determine motion.
What are stationary objects?
200

What is the word we usually use to mean slow down?

Decelerate

200

We use a capital N to represent power of a force. N stands for?

What is the newton?

200

When I throw a ball, is forms an arc as it falls to the Earth. This type of motion is called...

Projectile motion

200

This is when an object resists any type of change.

What is Inertia?

300
To calculate the speed of an object you need to know these two things
What are the distance( traveled) and the time ( it took to get there)?
300
In science acceeleration refers to these three things.
What is increasing speed, decreasing speed or changing direction?
300
Unbalanced forces always cause this
What is motion?
300
The strength of the force of friction depend on these two factors.
What is how hard the surfaces ush together and the type of surface involved?
300

If I'm on the Earth, I don't think that the Earth is moving because...

That is my "frame of reference."

400
When you know both the speed and the direction, you know this.
What is velocity?
400

If I go at a speed of 52 mph around a race track but I never change speed, have I accelerated?

Yes, you are turning!

400
Equal forces acting on one object in opposite directions a called ______ ________ .
What are balanced forces?
400

Friction is something that prevents motion. What type of friction is working against a flying plane?

Air resistance

400

When an object moves at a constant speed at equal intervals of time it is called...

Uniform motion

500

Using this formula you can find out the average speed.

What is Distance divided by Time?

500
Two objects traveling at the same speed have different velocities if.
What is they are moving in different directions?
500
Balanced forces never cause.
What is movement?
500
The difference between mass and weight?
What is mass is the amount of a substance, weight is the force of gravity on an object.
500

The "rate" at which something travels is called...

Speed

M
e
n
u