An object's resistance to changing motion.

What is the reaction force to gravity pushing you down into your chair?

Chair pushes in opposite direction with equal force.

What is the reaction to punching the wall?

The wall hits you back with the same force.

What is Newton's first law of motion?

Objects require force to cause a change in motion.

The force left over when all forces are added/subtracted.

The rate at which an object changes motion.

What is Newton's third law of motion?

Every action has an equal and opposite reaction.

How are mass and inertia related?

Mass is a measurement of inertia.

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Newton's Laws Refresher

20 termsStudBud Administration

A #physics #quiz to assess student's mastery of #Newton's #Laws of #Motion

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Questions 20

Answers

1
Inertia is
A push or pull.
An object's resistance to changing motion.
A bad ear infection,
An object's change in motion.
2
What is the reaction force to gravity pushing you down into your chair?
Chair pushes in opposite direction with equal force.
the chair pushes down with the same force.
Earth pulls you up with the same force.
There is no reaction force.
3
If you double the force of an object what happens to the acceleration?
It halves
It doubles
The object explodes
It disappears
4
Gravity's acceleration is always...
10 m/s2 down
10 m/s2 up
5 m/s2
10 m/s
5
The more inertia an object has...
the easier it is to move
The harder it is to move.
The less acceleration it has.
The more acceleration it has.
6
What is the mass of an object that accelerates at 10 m/s²when a 20 N force is applied?
10 kg
200 kg
30 kg
2 kg
7
What is the reaction to punching the wall?
Nothing.
The wall hits you back with the same force.
The wall hits you back with more force.
The wall hits you back, but with less force.
8
What is Newton's first law of motion?
Every action has an equal and opposite reaction.
Objects require force to cause a change in motion.
You can't have your pudding before you eat your meat.
F=ma
9
Net force is
The force that counteracts gravity.
The force left over when all forces are added/subtracted.
When you add up the magnitude of all forces.
The amount of force applied by a net.
10
Acceleration is
An object's resistance to changing motion
How much stuff is in an object.
The rate at which an object changes motion.
A push or pull.
11
What is the force experienced by a 5 kg object accelerating at 20 m/s²?
25 N
5 N
4 N
100 N
12
If you double the mass of an object what happens to the acceleration?
It explodes
It halves
It disappears
It doubles
13
What is the acceleration experienced by this object?
5 m/s2
20 m/s2
10 m/s2
1000 m/s2
14
What is Newton's third law of motion?
F=ma
Objects require force to cause a change in motion.
Every action has an equal and opposite reaction.
You can't have your pudding before you eat your meat.
15
How are mass and inertia related?
Mass and inertia are both vectors.
Mass and inertia aren't related.
Mass is a vector and inertia is a scalar.
Mass is a measurement of inertia.
16
What is the unit of force?
Joules
Newtons
Meters
Ohms
17
What is the net force acting on this object?
100 N right
500 N left
500 N right
100 N left
18
What is Newton's second law of motion?
Every action has an equal and opposite reaction.
You can't have your pudding before you eat your meat.
Objects require force to cause a change in motion.
F=ma
19
What is the acceleration experienced by a 5 kg object with a 20 N force applied to it.
5 m/s2
25 m/s2
100 m/s2
4 m/s2
20
Force is
The rate at which an object changes motion.
An object's resistance to changing motion
How much stuff is in an object.
A push or pull.

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