Simple Machines
What is a lever?
A flower is resting on a bush until it is pulled off
What is Newton's First Law?
The force on an object accelerating 40 m/s2 with a mass of 2 kg
What is 80 N?
You look at this part of a graph to tell the velocity of an object
What is the slope?
The power of a fan that produces 100 J of work in 5 seconds
What is 20 W?
The simple machine used in a teacher's standing desk
What is a wheel and axle?
What is Newton's Second Law?
The net force on a balloon with 1 N pushing down and 18 N pulling up
What is 17 N up?
Something velocity has that speed doesn't
What is direction?
The amount of work done by a car that uses 1000 N of force to move a piano 3.5 m
What is 3500 J?
The simple machine used in a machete
What is a wedge?
A go-cart is moving forward until it crashes into the wall
What is Newton's First Law?
The net force on a boulder with one person pushing it 40N to the left and another pushing it 10N to the left too
What is 50 N to the left?
The displacement of a cheetah that runs 120 ft to the right and then 60 ft to the left
What is 60 ft?
The power of a horse that does 14 J of work in 7 seconds
What is 2 W?
The simple machine used in a moving truck ramp
What is an inclined plane?
A bouncy ball bounces many times on the ground
What is Newton's Third Law?
The force on an object with a mass of 3 kg and an acceleration of 9 m/s2
What is 27 N?
The velocity of a sprinter running North who travels 300 m in 60 seconds
What is 5 m/s North?
The amount of work done if the object doesn't move
What is none?
The simple machine used in a jar lid
What is a screw?
When hit with a wooden bat, a tennis ball accelerates more than a baseball
What is Newton's Second Law?
The net force in a tug-of-war match with 20 N pulled to the right, and 7 N pulled to the left
What is 13 N to the right?
The average speed of a train that travels 450 miles from noon to 9pm
What is 50 mph?
The amount of power that a remote control car has if it uses 5 N of force to move an object 2 m in 10 seconds
What is 1 W?