What is change direction of force and the amount of force?
100
The amount of work it would take to stop a car moving 30 mph compared to the same car moving 60 mph.
What is four times as much?
200
Unit for work.
What is joules?
200
Energy of motion
What is kinetic energy?
200
Unit of power.
What is Watts?
200
The ideal mechanical advantage of an 8 m long ramp is used to push a 30 kg object up into a moving truck which is 1.5 m high.
What is 5.3?
200
The speed of an 10 kg object when it hits the ground when dropped from 20 m?
What is 19.8 m/s?
300
Work done lifting a 20 kg object 4 meters in the air.
What is 784 J?
300
Unit of energy
What is joules?
300
Amount of power to do 100 J of work in 6 seconds.
What is 16.7 Watts?
300
The actual mechanical advantage of a pulley system that requires 40 N of force to lift an 60 N crate.
What is 1.5?
300
The speed of a roller coaster at the bottom of a 100 m drop assuming there is no loss of energy due to friction.
What is 44 m/s?
400
The amount of work done carrying a 50 N object 3 meters horizontally across the room.
What is 0 J?
400
A roller coaster has the greatest amount of ______ energy at the top of the hills and the greatest amount of _____ energy at the bottom of the hills.
What is potential and kinetic?
400
The amount of power generating lifting a 50 kg mass up 4 meters in 1.5 seconds?
What is 1307 Watts?
400
The amount of force required to push a 40 kg box up a frictionless ramp that is 10 m long and 2 m high.
What is 78.4 N?
400
The force it would take to stop a 1500 kg car in 100 meters traveling at 30 m/s.
What is 6750 N?
500
The amount of work it takes to stop a 1200 kg car that is moving at 25 m/s.
What is 375,000 J?
500
Energy is changed from one form to another with no net loss or gain.
What is the Law of Conservation of Energy?
500
The amount of power to for a 60 kg rock climber to climb 50 meters in two minutes.
What is 245 Watts?
500
What is the efficiency of a pulley with 2 lifting strands that requires 50 N of force to lift an 80 N object?
What is 80%?
500
A ball rolling across the table at 6 m/s rolls off the end of the table which is .75 meters high. The horizontal distance the ball travels before it hits the ground is ____.