Motion
Balanced and Unbalanced Forces
Calculations
ENERGY
100
the distance traveled divided by the time it takes
What is speed
100
How does an incline plane make moving something from the ground to a moving truck easier?
What is reduce the force needed to raise an object.
100
you run 60 meters in 20 seconds... what is your speed?
What is 3 m/s
100
Energy cannot be created or destroyed, only transferred from one form to another.
What is the law of conservation of energy
200
the speed of an object and its direction
What is velocity
200
Two people are sitting in rolling chairs facing each other, with their hands pressed against each other's. One person pushes off. What happens to the people?
What is they both move backwards.
200
You ride 25 miles in 4 hours on your bicycle.. what is your speed?
What is 6.25 miles/hr
200
The energy of motion is called
What is KINETIC ENERGY
300
The change in speed or direction
What is acceleration
300
A book lying motionless on a table will remain motionless because...
What is balanced forces exerted by gravity and the table keep the paper motionless
300
George pushes a box with a force of 16N to the left. Bobby pushes the same box from the opposite side with a force of 10 N to the right. What will be the result?
What is the box will move 6 N to the left
300
the stored energy of position or condition
What is Potential Energy
400
the tendency of an object to resist any change in it's motion
What is inertia
400
What do balanced forces maintain?
What is a constant speed
400
A force of 8N is applied to an object at rest with a mass of 4 kg. What is the resluting acceleration?
What is 2 m/s(s)
400
Which of the following represents potential energy? a. a magnificent waterfall flowing down the side of a mountain b. clouds moving across the sky c. stored energy in a bean seed d. a seedling emerging from the soil
What is C
500
He lived in the 1600s and studied motion and came up with 3 laws to describe motion
Who is Isaac Newton
500
What is needed to calculate a change in the direction of a moving object?
What is the newtons of the unbalanced forces acting on the object
500
Joe rides a bike 10 km in 1 hour. Then he stops to eat lunch at a park for 1 hour. Joe then rides 10 more km in 2 hours. What is Joe's average speed on the bike?
What is 5 km/hr.
500
An orange, a grapefruit, and a watermelon all fall off the counter at the same time. The fruits all hit the ground at the same time because each fruit has the same---
What is acceleration
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