SPS8a
Describing Motion
Describing Motion
SPS8b
Newton's Laws of Motion
Newton's Laws of Motion
SPS8c
Mass & Gravitational Force
Mass & Gravitational Force
SPS8d
Simple Machines
Simple Machines
Misc.
Past Units
Past Units
100
a push or pull that can change the motion of an object
What is a force?
100
The law states that an object in motion will stay in motion and an object at rest will stay at rest unless acted upon by an unbalanced force
What is Newton's First Law of Inertia?
100
What will happen to the mass of a ball if it is moved from Earth to the Moon?
- increase
-decrease
-stay the same
What is stay the same?
100
Basic devices used to make work easier
What are simple machines?
100
crest to crest or trough to trough
What is wavelength?
200
Speed = ____/time
What is distance?
200
The formula associated with Newton's Second Law
What is f=ma?
200
Attractive force that keeps object on Earth on the ground
What is gravitational force?
200
the rate of doing work
What is power?
200
The Dead Sea is a body of salt water that contains so much dissolved salt that it allows people to float easily in it. Large salt deposits are even found along the shoreline. What type of solution is the Dead Sea?
- saturated
-unsaturated
-supersaturated
-diluted
What is saturated?
300
The difference between speed and velocity
What is velocity is speed and direction?
300
For every action there is an ______________________
What is equal and opposite reaction?
300
How does the force change as an object's mass increases?
What is the force increases?
300
The inclined plane shown below is being used to lift a box 6.0 feet.
The inclined plane has a mechanical advantage of 1.5. What is the length, x, of the inclined plane?
What is 9.0 ft?
300
Human blood has a pH between 7.38 and 7.42. Is human blood acidic, basic, or neutral?
What is basic?
400
Order the friends from fastest to slowest.
What is Sam, Kim, Amy, Bill, and Phil?
400
The force, to the nearest tenth of a N, required to accelerate a 2.0-kilogram mass at 4.0 m/s2
What is 8N?
400
If you drop a 30 g feather and 200 g ball at the same time in a vacuum, which will reach the floor first?
What is they will fall at the same rate, they will hit the ground at the same time?
400
What is the mechanical advantage if the radius of the wheel is 49 cm and the radius of the axle is 7 cm?
What is 7?
400
This group of elements is extremely reactive due to only having 1 ve-
What is alkali metals?
500
Acceleration = (final velocity - initial velocity)/time
Units for final answer: m/s2
A car goes from 40 m/s to 20 m/s in 5 seconds. What is the acceleration of the car?
What is - 4m/s2?
500
Assume that the force of gravity is not operating on the ball. According to Newton's law of inertia, which letter represents the direction the ball will travel when the string breaks?
What is X?
500
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?
weight = mass x acceleration
What is 54.00 N?
500
Write a formula that represents work input is equal to work output
What is WI = WO or Fe x de =Fr x dr?
500
You are given an unkown metal and asked to determine its specific heat. The object has a mass of 35 kg and an initial temperature of 29oC. After adding 250 joules of energy, the temperature of the object is 39oC. What is the specific heat?
What is 7.14 J/(kg*oC)?