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This resource explores the various types of forces acting on objects, particularly focusing on friction, effort force, and gravity. Students will learn how these forces influence motion, comprehend the relationship between force, mass, and acceleration, and discover why an effort force must overcome resistance for acceleration to occur. Through interactive questions and scenarios, participants will deepen their understanding of fundamental physics concepts, enhancing their ability to describe and analyze forces in real-world applications.
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PS1B: Types of Forces I can: • Describe what causes friction • Describe the forces acting on an object: • normal force • frictional forces • Weight (mg) • Gravity • effort force • resistance forces • Describe the relationship between force, mass and acceleration
Please select a Team. 30 • Team 1 • Team 2 • Team 3 • Team 4 • Team 5 • Team 6 0 10 Countdown
The dog was pushed across the screen to the right. What was the effort force? 30 • The dog • The engine • The person • Friction 0 0 0 0 0 10 Countdown
The dog was pushed across the screen to the right. What was the resistance force? 30 • The dog • The engine • The person • Friction 0 0 0 0 0 10 Countdown
When the dog was pushed across the screen & sped up what force was bigger? 30 • Effort force • Resistance force • Gravity • Normal • Weight 0 0 0 0 0 Effort Resistance 0 10 Countdown
Why does the effort force have to be bigger than the resistance (friction) for it to speed up? 30 • For motion to occur the resistance force must be zero • The effort force must be stronger than gravity • Friction must be overcome to start moving it 0 0 0 Effort Resistance 0 10 Countdown
More effort force is applied to the dog. What happens? 30 • The effort force arrow became much bigger than the resistance force • The effort force and resistance force grew at the same rate. • The effort force and resistance remained the same 0 0 0 Effort Resistance 0 10 Countdown
When the effort force was much bigger than friction what happened? 30 • The acceleration rate remained the same as before (sped up at the same rate) • The acceleration rate increased slowly • The acceleration rate increased quickly 0 0 0 Effort Resistance 0 10 Countdown
What percentage of your current points would you like to wager on the next question? 30 • 0% • 25% • 50% • 75% • 100% 0 10 Countdown
What causes the friction (resistance force) to occur and/or effects it? 30 • The amount of gravity • Pushing the object • The mass of the object • How well the object grips the ground • 2-4 • 1-4 0 0 0 0 0 0 0 10 Countdown
When the effort force was just a little bigger than friction what happened? 30 • The acceleration rate remained the same as before (sped up at the same rate) • The acceleration rate increased slowly • The acceleration rate increased quickly 0 0 0 Effort Resistance 0 10 Countdown
A greater acceleration occurred when the dog was pushed or the file cabinet? 30 • Dog • File cabinet 0 0 Effort Resistance 0 10 Countdown
Why will the dog have a greater acceleration rate than the file cabinet? 30 • The dog has less weight • The dog has less friction • The dog has less mass • The dog has more effort force 0 0 0 0 Effort Resistance 0 10 Countdown
The 2 objects are pushed with the same force. Which is the correct force vector? 30 Effort • ……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………….. • . 0 0 Resistance Effort Resistance Effort Resistance Effort Resistance 0 10 Countdown
More effort force (same massed object) means what? 30 • The object will accelerate faster • The object will accelerate slower • The object will not accelerate 0 0 0 0 10 Countdown
Why will more effort force cause an object to accelerate faster? 30 • Effort force is much larger than the resistance force • Effort force is just a little bigger than the resistance force • Effort force is equal to the resistance force. 0 0 0 0 10 Countdown
More mass (same amount of effort force) means what? 30 • The object will accelerate faster • The object will accelerate slower • The object will not accelerate 0 0 0 0 10 Countdown
Why will more massive objects accelerate slower? 30 • They have less effort force • They have more weight • They have more friction • They have more gravity 0 0 0 0 0 10 Countdown
2 objects are rolling. Which object will slow down (decelerate) faster? 30 • The less massive object • The more massive object • They will decelerate (slow down) at the same rate. 0 0 0 0 10 Countdown
What percentage of your current points would you like to wager on the next question? 30 • 0% • 25% • 50% • 75% • 100% 0 10 Countdown
Why will the more massive object slow down faster 30 • It has more weight • It has more gravity • It has more momentum • It has more friction 0 0 0 0 0 10 Countdown
PS1B: Types of Forces I can: • Describe what causes and affects friction • Describe the forces acting on an object: • normal force • frictional forces • Weight (mg) • Gravity • effort force • resistance forces • Describe the relationship between force, mass and acceleration
Rate your ability on the following learning target:Describe what causes and affects friction • F: I don’t understand how.I make lots of mistakes. • D: I have a below average understanding. I can do it, but make many mistakes. • C: I have an average understanding.I can do some of it, but I make several mistakes. • B: I have an above average understanding. I could do it myself without help, but I sometimes make a few mistakes. • A: Excellent understanding. I could teach how to do this to someone else. I rarely make mistakes. 0 0 0 0 0
Rate your ability on the following learning target:Describe the forces acting on an object: normal, frictional, Weight (mg), Gravity, effort, resistance forces • F: I don’t understand how.I make lots of mistakes. • D: I have a below average understanding. I can do it, but make many mistakes. • C: I have an average understanding.I can do some of it, but I make several mistakes. • B: I have an above average understanding. I could do it myself without help, but I sometimes make a few mistakes. • A: Excellent understanding. I could teach how to do this to someone else. I rarely make mistakes. 0 0 0 0 0
Rate your ability on the following learning target:Describe the relationship between force, mass and acceleration • F: I don’t understand how.I make lots of mistakes. • D: I have a below average understanding. I can do it, but make many mistakes. • C: I have an average understanding.I can do some of it, but I make several mistakes. • B: I have an above average understanding. I could do it myself without help, but I sometimes make a few mistakes. • A: Excellent understanding. I could teach how to do this to someone else. I rarely make mistakes. 0 0 0 0 0