5.
The LOWER fixed point (0 celcius) is the temperature
A
the temperature of pure melting ice at standard atmospheric pressure.
B
the temperature of steam from pure boiling water at standard atmospheric pressure.
C
6.
The UPPER fixed point (100celcius) is
A
the temperature of pure melting ice at standard atmospheric pressure.
B
the temperature of steam from pure boiling water at standard atmospheric pressure.
C
7.
Thermometric Properties Examples
A
Volume of liquid, Resistance and Volume of gas at constant pressure
B
Volume of liquid, receptivity and Volume of gas at constant pressure
C
8.
Thermometric Properties
A
Physical property of a material which changes with temperature and is used for measuring temperature
B
Total random kinetic energy of particles in an object.
C
9.
Thermal Energy
A
Physical property of a material which changes with temperature and is used for measuring temperature
B
Total random kinetic energy of particles in an object.
C
10.
Solid =
A
vibrating particles
B
flowing particles
C
particles move freely
11.
Gas =
A
vibrating particles
B
flowing particles
C
particles move freely
12.
Liquid =
A
flowing particles
B
vibrating particles
C
particles move freely
13.
Energy Flows from _______ to ______ objects?
A
Warmer to Cooler Objects
B
Cooler to Warmer Objects
C
14.
The Kinetic Theory of Matter states:
A
All of the particles that make up matter are constantly in motion.
B
flow of energy due to a difference in temperature.
C
15.
Heat SI unit
A
Joules, J
B
Kelvin (K)
C
16.
Temperature SI unit
A
Joules, J
B
Kelvin (K)
C
17.
Temperature unit
A
Joules, J
B
Kelvin (K)
C
Celsius
18.
Heat is____?
A
the flow of energy due to a difference in temperature.
B
how hot or cold an object is.
C
19.
Temperature is a measure of
A
the flow of energy due to a difference in temperature.
B
how hot or cold an object is.
C
20.
A fluid typically refers to either
A
the flow of energy due to a difference in temperature.
B
gas or liquid.
C
21.
The caloric theory of heat is an obsolete theory from what century?
A
20th
B
18th
C
19th
22.
Hydrostatics is the study of
A
A fluid at rest in stable equilibrium.
B
gas or liquid.
C
23.
This is the law of floatation states that
A
Upthrust exerted on the object by fluid (for floating)
B
A fluid at rest in stable equilibrium.
C
the weight of the fluid displaced is the same as the weight of the floating object.
24.
Weight of the object =
A
Upthrust exerted on the object by fluid (for floating)
B
A fluid at rest in stable equilibrium.
C
the weight of the fluid displaced is the same as the weight of the floating object.
25.
When a body is completely or partially immersed in a fluid, it experiences an upthrust equal to the weight of the fluid displaced.
A
Archimedes' principle
B
the law of floatation
C
26.
An object would sink in a fluid if its density is?
A
less than that of the fluid.
B
greater than that of the fluid.
C
27.
An object would rise in a fluid if its density is?
A
less than that of the fluid.
B
greater than that of the fluid.
C
28.
Atmospheric Pressure =
A
10 N/kg
B
1000 kg/m3
C
100,000 Pa
29.
Density of water =
A
10 N/kg
B
1000 kg/m3
C
100,000 Pa
30.
Pressure formula
A
Pressure = Force ÷ Area
B
the pascal (Pa) or N m^-2
C
31.
SI unit of pressure is?
A
Pressure = Force ÷ Area
B
the pascal (Pa) or N m^-2
C
32.
Pressure is the
A
Force acting perpendicularly per unit area
B
Ratio of the useful work output to the total work input.
C
33.
Efficiency is the?
A
Force acting perpendicularly per unit area
B
Ratio of the useful work output to the total work input.
C
34.
Power is defined as the?
A
Force acting perpendicularly per unit area
B
Ratio of the useful work output to the total work input.
C
Rate at which work is done.
35.
Efficiency formula
A
Force ÷ Area
B
(Work Out/Work In) x100%
C
36.
Power formula
A
Force ÷ Area
B
(Work Out/Work In) x100%
C
Work done/ Time taken
37.
Power si unit
A
Watt
B
the pascal (Pa)
C
38.
Energy cannot be created nor destroyed. It can be converted from one form into another or transferred from one body to another.
A
Conservation of Energy
B
Mechanical Energy
C
39.
The total amount of kinetic energy and potential energy in a system
A
Mechanical Energy
B
Conservation of Energy
C
40.
The energy stored by an object
A
Mechanical Energy
B
Conservation of Energy
C
Potential energy
41.
when a force is applied to lift an object to greater height in a gravitational field
A
Conservation of Energy
B
Work done against gravity
C
42.
The work done, W, by a force on an object is given by the product of the force, F, and the distance, d, moved by the object in the direction of the force
A
Conservation of Energy
B
Work done against gravity
C
Work
43.
when a force is applied to lift an object to greater height in a gravitational field
A
Conservation of Energy
B
Work done against gravity
C
44.
Work formula
A
Force ÷ Area
B
Force × distance
C
45.
What is energy?
A
B
the ability to do
C
46.
This states that if body A exerts a force on body B, then body B will exert an equal and opposite force on body A.
A
Newton's Third Law
B
Newton's Second Law
C
47.
This states that a resultant external force acting on a body will cause it to accelerate in the direction of the resultant force. F = ma
A
Newton's Third Law
B
Newton's Second Law
C
48.
What is this unbalanced force that acts on an object in motion?
A
Friction
B
Gravity
C
49.
WEIGHT is a measure of the force of ________ on the mass of an object?
A
Friction
B
Gravity
C
50.
INERTIA is a
A
property of an object that describes how much it will resist change to the motion of the object
B
Unequal opposing forces produce an unbalanced force causing motion
C
51.
Unbalanced Forces
A
property of an object that describes how much it will resist change to the motion of the object
B
Unequal opposing forces produce an unbalanced force causing motion
C
52.
Newton's First Law is called?
A
inertia
B
Aristotle's Theory
C
53.
____________believed that the force applied to a body determined its velocity that is, force is directly proportional to velocity, F ∝ v.
A
inertia
B
Aristotle's Theory
C
54.
This states that in the absence of external forces, the total momentum of a system of bodies is constant
A
Law of conservation of Momentum
B
Law of inertia
C
Impulse
55.
The product of the force, and the time over which the force is applied.
A
Law of conservation of Momentum
B
Law of inertia
C
Impulse
56.
Formula for Changing Momentum from Newton's 2nd Law
A
m (v - u)/t
B
mv
C
57.
Momentum formula
A
m (v - u)/t
B
mv
C
58.
What is the unit of Momentum?
A
kg m/s & N s
B
kg m & N
C
59.
________is a quantity defined as the product of the mass and velocity of an object.
