
Newton's 2nd Law
Presentation
•
Physics
•
8th - 12th Grade
•
Practice Problem
•
Medium
Standards-aligned
Melissa Pearson
Used 40+ times
FREE Resource
4 Slides • 17 Questions
1
Newton's 2nd Law
May the Force be with you
2
Multiple Choice
What is force?
it's a Star Trek thing
push or pull
movement to the right or left
acceleration due to gravity
3
Multiple Choice
What would be the units for Force?
Kilograms (Kg)
Minutes (min)
Meters per Second Squared (m/s²)
Newtons (N)
4
Multiple Choice
What could be a unit for acceleration?
Kilograms (Kg)
Minutes (min)
Meters per Second Squared (m/s²)
Newtons (N)
5
Multiple Choice
What could be a unit for mass?
Kilograms (Kg)
Minutes (min)
Meters per Second Squared (m/s²)
Newtons (N)
6
Newton's Second Law
States that the acceleration of an object is proportional to the net force acting on the object and inversely proportional to the mass of the object.
Why does this matter?
7
Relationships
The slope of a Force-Acceleration graph is the mass of an object.
The slope of an acceleration-mass graph is the net-force
Subject | Subject
Some text here about the topic of discussion
8
To solve a Newtons 2nd law problem:
Draw a free-body diagram showing the direction and relative strength of each force acting on the system
Add the foce vectors to find the net force
Use Newton's second law to calculate the acceleration
Use what you know about accelerated motion to find the velocity or position of the object(s)
9
Multiple Choice
Find the acceleration of an object with 1 kg and 1 N.
10 N
1 N
1 m/s²
10 m/s2
10
Multiple Choice
A force of 20 N acts upon a 5 kg block. Calculate the acceleration of the object.
4 m/s²
0.25 m/s²
100 m/s²
2 m/s²
11
Multiple Choice
Find the force of an object with 8 kg and 3 m/s².
12 N
0.38 N
2.7 N
24 N
12
Multiple Choice
Find the mass of an object with 10 N and 1 m/s2 .
10 Kg
5 Kg
0.1 Kg
20 Kg
13
Multiple Choice
Aliya kicks a soccer ball with a mass of 0.5 kg. It accelerates with a rate of 5 m/s². What would be the force she used to kick it?
0.1 N
10 N
2.5 N
15 N
14
Multiple Choice
Sydney kicks a bowling ball with a mass of 5 kg. It accelerates at 2 m/s². What was the force he used to kick the ball?
20 N
2.5 N
0.4 N
10 N
15
Multiple Choice
Miguel uses 3000 Newtons to push Ted in a wheelchair. Ted accelerates at 50 m/s² before slowing down to turn a corner. What is the mass of Ted and the wheelchair?
6 g
150,000 Kg
60 Kg
0.017 Kg
16
Multiple Choice
What is the acceleration of a 50 kg object pushed with a force of 500 Newtons?
1 m/s²
10 m/s²
0.1 m/s²
25,000 m/s²
17
Multiple Choice
Find the acceleration of an object with 4 N and 0.2 kg.
0.8 m/s²
40 m/s²
0.05 m/s²
20 m/s²
18
Multiple Choice
The mass of a young elephant is 100 kg. How much force would be required to accelerate the elephant at a rate of 3 m/s²?
300 N
33.3 N
0.03 N
10 N
19
Multiple Choice
An object of mass 300 kg is observed to accelerate at the rate of 4 m/s². Calculate the force required to produce this acceleration.
12 N
1200 N
75 N
0.013 N
20
Multiple Choice
Find the mass of an object with 17 N and an acceleration of 1.7 m/s².
1 Kg
0.1 Kg
28.9 Kg
10 Kg
21
Multiple Choice
Zack is skiing. He is not a good skier. If he has a mass of 103 kg, and an acceleration of 14m/s², what is the Force Zack feels when he skis into a tree?
1442 N
2401 N
0.14 N
7.4 N
Newton's 2nd Law
May the Force be with you
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