Motion
Velocity and displacement have both magnitude and direction so they are this type of quantity
What is vector quantity?
The formula AND unit for work
What is work = force x distance and Newtons?
The forces exerted on a book sitting on a table
What is normal force and force of gravity?
What a person does to a machine is known as
(Hint: 2 synonyms)
What is input and effort?
6 types of simple machines
What are levers, pulleys, wheel and axle, inclined planes, screws, wedges?
This is the formula AND unit for speed/velocity
What is speed = distance/time? What is m/s?
(velocity = distance/time)
The formula for power AND unit?
What is power = work/time and Watts?
Newton's second law formula
What is acceleration = force/mass
or force = mass x acceleration?
What the machine does to an object is called this
(Hint: 3 synonyms)
What is output, load, resistance?
This type of simple machine has 3 classes
What are levers?
How much time is required for an object moving 4.5 m/s to travel 65 m?
What is 14 seconds
This needs to happen in order for work to be considered to be done
What is distance/displacement needs to be in the same direction of the force?
The tendency of an object to resist change in its motion and included in Newton's first law
What is inertia?
Luisa used a claw hammer to remove nails from a piece of wood she wants to paint. What is theeffort distance for a claw hammer if the resistance distance is 6.0 cm and the mechanical advantage is 6.0?
What is 36 cm?
A combination of two or more simple machines that operate together.
What is compund machine?
This object stayed at rest the entire time
What is object C?
A baker pushes a cart full of rolls with a force of 20.0 N for a distance of 4.0 m. How much work does the baker do on the cart?
What is 80 J?
To find the weight in relation to mass and gravity(acceleration), you must use this formula
What is weight = mass x gravity(acceleration)?
The mechanical advantage of a ramp if its length is 4.0 m and its higher end is 0.5 m above its lower end
What is 8?
A screw is similar to an inclined plane in this way.
What is a screw is an inclined plane wrapped around a cylinder?
This graph shows what type of acceleration
What is constant?
Your family is moving to a new apartment. While lifting a box 1.5 m stright up to put it on a truck. You exert an upward force of 200 N for 1.0 s. How much power is required to do this?
What is 300 W?
A 9.00 kg object is dropped from rest near the surface of an unknown planet and begins to accelerate at 6.00 m/s2. What is the weight of the object on the unknown planet?
What is 54 N?
What is the mechanical advantage of the wheel of a bicycle if the diameter is 30 cm and the diameter of the axle is 6 cm?
What is 5?
A description of the 3 classes of levers
1st class: Fulcrum in middle
2nd class: Load in middle
3rd class: Effort in middle