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Forces Review - ESL Flashcards | StudBud
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Forces Review - ESL
Forces Review - ESL
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Mr. Gegg's review of Chapter 2 on Forces #force #newton
Flashcards
17 cards
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Questions
17
Answers
1
What does the Law of Conservation of Momentum tell us about the momentum in a collision?
It Stays The Same
It Will Hurt
It Decreases
It Increases
2
What is the known value of gravity on Earth?
8.9 m/s2
9.8 m/s2
37 m/s2
3.7 m/s2
3
What is the momentum of a 6 kg ball rolling 3 m/s to the west?
18 kg * m/s west
2 kg * m/s
2 kg * m/s west
18 kg * m/s
4
What is the net force acting on the red box?
15N
2N Left
8N
2N Right
5
What force always works to oppose motion between two surfaces?
Gravity
Normal
Inertia
Friction
6
Which formula is correct for calculating an object's momentum?
p = m + v
p = m / v
m * v = p
M = m * v
7
In physics, what word describes a "push or pull" on an object?
Friction
Gravity
Free Fall
Force
8
What type of friction is shown in the following picture?
Static
Rolling
Fluid
Sliding
9
Which of Newton's Laws says objects in motion will continue in motion unless acted on by force?
2nd Law
1st Law
4th Law
3rd Law
10
Which of Newton's Laws says the force on an object is equal to its mass times acceleration?
3rd Law
1st Law
2nd Law
4th Law
11
What type of motion occurs when an object accelerates downward due to gravity?
Free Fall
Forces
Collisions
Inertia
12
What do we call the downward force of gravity on an object's mass?
Gravity
Inertia
Mass
Weight
13
Which of Newton's Laws says '
Forces come in Pairs
'. Action and reaction forces?
1st Law
2nd Law
4th Law
3rd Law
14
If a 48,000 N force causes a vehicle to accelerate 2 m/s
2
, what is the mass of the vehicle?
24 kg
96 kg
96,000 kg
24,000 kg
15
If a 45N force is applied to a 3kg ball, how fast will it accelerate?
48 m/s2
42 m/s2
135 m/s2
15 m/s2
16
What is the weight of a 10 kg object on Earth?
9.8 lbs
10 lbs.
98 N
19.8 N
17
What unit do we measure forces in?
m/s
m/s2
kg
N