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The Laws of Physics Flashcards | StudBud

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What is the effect of unbalanced forces?

What does F=ma represent?

The Laws of Physics

18 terms·StudBud Administration

Test your knowledge of Newton's laws and discover how they shape our daily lives

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Questions 18

Answers

1
What does F=ma represent?
Force equals mass times acceleration
Friction equals mass times area
Acceleration equals force times mass
Mass equals force divided by area
2
What is the effect of unbalanced forces?
Change in motion
No movement
Stay at rest
Constant speed
3
What does acceleration depend on?
Mass and speed
Force and mass
Distance and time
Gravity and friction
4
What does inertia depend on?
Shape of object
Distance traveled
Speed of object
Mass of object
5
True or False: Force is a vector quantity.
True
False
6
True or False: A net force causes acceleration.
True
False
7
True or False: Mass affects acceleration.
False
True
8
Which law is about force and acceleration?
First law
Second law
Third law
Law of motion
9
True or False: Objects in motion stay in motion.
True
False
10
Which law involves action and reaction?
Second law
Law of inertia
First law
Third law
11
What is Newton's first law?
Force equals mass times acceleration
For every action, there's a reaction
Energy cannot be created or destroyed
An object at rest stays at rest
12
Which law relates to gravity?
All laws
First law
Second law
Third law
13
Which law is about momentum?
Second law
Law of inertia
Third law
First law
14
True or False: A heavier object accelerates faster.
False
True
15
What happens when forces are balanced?
Object spins
Object stays still
Object accelerates
Object moves
16
Which law explains inertia?
First law
Second law
Law of gravity
Third law
17
True or False: All objects fall at the same rate.
False
True
18
Which law explains why rockets work?
Third law
Second law
Law of inertia
First law