4-1
A force is...
a push or pull.
What is the formula for speed?
Speed=Distance/Time
Which of Newton's laws states that if an object is at rest it will stay at rest unless acted upon by a nonzero net force.
Newton's First Law of Motion
Name something that has friction involved with it.
Answers may vary
A balanced force is...
When two forces are applying equal strength on an object in opposite directions.
On a graph, what is shown on the horizontal, or x-axis?
What is the formula for Acceleration?
Acceleration=Net force/Mass
What is the difference between mass and weight?
Weight is the measure of the force and gravity of an object. While mass is the amount of matter is an object.
You are running outside. What reference point sees you not moving?
Answers may vary.
Name an example in which you can use velocity.
Answers may vary.
You are pushing a soccer goal. The soccer pushes back with an equal force. Is the goal moving?
No
Name at least 3 types of friction
Rolling, Sliding, Fluid, Static, etc
In a tug-of-war game, two players play against each other. The player on the left pulls with 8N and the player on the right pulls with 6N. What is the net force and in what direction?
2N to the left.
I am sprinting at a constant speed. Then I get a cramp and slow down to a light jog. Am I accelerating?
Yes.
If the acceleration of a soccer ball is 12m/s2 and the mass of a soccer ball is 0.5 kilograms. What is the net force of the ball?
6N
1 pound is equal to how many Newtons
4.45
Name 3 types of noncontact forces.
Gravitational, Magnetism, and electrical.
You are on a road trip. First, you drive 18 kilometers in the first hour. Then you stop for gas. After you are on the freeway for an hour you drive 110 kilometers. In the last hour, you drive 25 kilometers. What was your average speed?
51km/h
If you throw a pencil against a wall, it bounces back. What is this called?
On Juptier you weigh _____ times as much as on Earth.
2.5