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Physics: Newtons Laws Flashcards | StudBud
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Physics: Newtons Laws
Physics: Newtons Laws
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Class review for the Newton's Laws Test
Flashcards
26 cards
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Questions
26
Answers
1
Object at rest stays at rest, object in motion stays in motion, until acted upon by a force.
Newtons 2nd Law
Newtons 3rd law
Newtons 1st law
Equilibrium
2
The combination of all the forces that act on an object. Step 1 give all forces direction.
Friction
Volume
Net force
newton
3
Equilibrium occurs when_______.
The sum of +F equal -F.
All F on the object are balanced, and the Net force = 0N.
All of the answers are correct.
Sum of the upward forces = sum of the downward forces
4
The quantity of space an object occupies.
distance
Volume
inertia
mass
5
The force that acts to resist the relative motion or attempted motion. Ex. Static & Kinetic
Inertia
mass
Friction
Equilibrium
6
A push or a pull. A vector measurement. Must have direction + or - before you sum or net.
Friction
Force
mass
volume
7
Define outer space
All answers are a part of the definition
A frictionless space, with gravity
No atmosphere, but gravity
A vacuum, with gravity
8
Newtons 3rd Law, The bat applies a force on the ball, What is the reaction force?
The force of the ball on the bat.
The force of wind resistance on the ball.
The frictional force.
The force of the wind on the bat.
9
Acc. is directly proportional to force, and acc. is inversely proportional to mass. F=ma
Newtons 3rd Law
Inertia
Newtons 1st Law
Newtons 2nd Law
10
Newtons 1st - Force is _________ proportional to Acceleration.
inversely
Directly
Doesn't affect acceleration
Quadra laterally
11
The force that an object exerts on a supporting surface, the mass of an object times gravity
Force of Weight
Force of friction
static friction
Kinetic friction
12
States that when multiple forces on an object sum up to equal zero, no acceleration occurs.
Inertia
Newtons 2nd Law
Equilibrium Rule
Kilogram
13
Sluggishness or resistance of an object to change in its state of motion.
inertia
Kilogram
Newtons 3rd Law
weight
14
How much force does a rocket need to produce in outer space to keep its speed constant.
100,000N
1,000,000N
10N
0N
15
The SI unit of mass
Yard
meter
Liter
Kilogram
16
Newtons 2nd Law - If Force is constant and mass is increased X5, Acceleration = ?
No effect
a = x1/5
a = X 0.555
a = X5
17
SI unit of Force
centimeter
Kilogram
kiloliter
Newton
18
When the sum of the forces equals zero for a system of forces. Ex. desk, building, bridge...
Mechanical Equilibrium
Kilogram
Newton
Inertia
19
Calculate the Weight of a 275Kg person. Fw=mg
2695g
2695N
2695Kg
2695lbs
20
Which of Newton's Laws is called the law of inertia?
Newtons 1st law
Newtons 2nd Law
Newtons 4th Law
Newtons 3rd Law
21
+A = -R, always discussed in pairs of forces
Newtons 2nd law
mass
newtons 1st law
Newtons 3rd Law
22
Newtons 1st Mass is _______ proportional to acceleration.
Mass does not affect acceleration
Quadra laterally
inversely
directly
23
Newtons 2nd law - If mass is constant and the force on the object triples, Acceleration =?
a = X 3
a = x 1/3
No effect
a = x 0.333
24
Which has more mass, 1 Kg of tennis balls or 1Kg of Rocks.
Neither - both have the same mass.
The feathers
The rocks
The tennis balls
25
The amount of material that an object is made up of. Also the measurement of inertia.
weight
mass
distance
volume
26
Why did the plates on the table barely move when the magician pulled the table cloth?
The plates have inertia
All answers are correct especially inertia.
The plates have mass in kilograms
The plates have resistance to changes in motion.
