Gravity
Simple Machines
Newtons Laws
Describing and Measuring Motion
Work Power and Machines
100
In science how do we measure weight?
Newtons
100
Pulley
100
An object in motion stays in motion, while an object in rest stays in rest... unless acted upon by an outside force. Which law is it?
1st law
100
Convert 150 decimeters to meters
15 meters
100
What is power, as defined in our notes?
A quantity that measures work in relation to time
200
What two forces of motion are involved in projectile motion?
Vertical and horizontal forces
200
A __________ is the object that turns around the fulcrum
Arm
200
If object A exerts a force on object B, then object B exerts an equal but opposite force on object A. This is an example of what?
3rd law
200
The formula for speed is S=D/T. You are traveling down the road at 10 m/s. You travel for 150 seconds. How far have you traveled?
1500 meters
200
Mr. Grim uses 10,000 joules of work to pick up TJ Marshal from his seat and gently tossing him 10 meters across the room. How many Newtons of force is he using?
1,000 Newtons
300
What happens to the force of gravity as the distance between two objects increases?
Gravity decreases
300
A wedge is made up of two __________ working together
Inclined Planes
300
For every action, there is an equal and opposite reaction. Which law is it?
3rd law
300
Convert 10 millimeters to centimeters
1 centimeters
300
How do we define work within science?
To be engaged in physical or mental activity in order to achieve a purpose or result, especially in one’s job; do work
400
If the distance between the two objects is doubled, how is the gravitational force effected?
If the distance between the two objects is doubled, how is the gravitational force effected?
400
2nd class lever
400
A basketball weighs 1.5 kilograms. It was shot towards the basket with a force of 87 N. What is the acceleration of the ball?
58 m/s^2
400
What is relative motion?
Even though I am sitting still, I am technically moving depending on the reference point
400
Which is the formula for Power?
Power (Watts) = Work (Joules) / Time (Seconds)
500
The gravity on the moon is 1/3 the gravity on Mars. Mars gravity is 1/3 the gravity on Earth. Quade the Alien has a mass of 50 kg on Earth. What is his mass on the moon?
50 kg
500
What part of a screw makes it an inclined plane?
The Ridges
500
An athlete weighs 85 kilograms. They are trying to match the pace of a car that is moving at 10 m/s^2. What force is required to reach that acceleration?
850N
500
You have a car that is traveling 75 kilometers per hour. Convert that to meters per minute. (Hint: Treat this as a fraction, but convert the top and bottom separately)
1250 meters per minute
500
What is mechanical advantage?
The use of machines to help make a job take less force