What is measured in m/s, km/h, and mph
What is speed?
A push or pull.
What is force?
How many laws of motion are there?
A device that makes work easier.
What is a simple machine?
Done when an object is moved through a distance in the direction of the applied force.
What is work?
3 m/s East is an example of ___
What is velocity?
The amount of matter in a given substance.
What is mass?
F = M x A is the basis of which law of motion?
What is Newton's Second Law of Motion?
What is this an example of?
The rate at which work is done.
What is power?
the change in position of an object per unit of time; always has a positive value and is nondirectional
What is speed?
A measure of the force due to gravity acting on a mass.
What is weight?
A tendency to do nothing or remain unchanged.
What is inertia?
Which simple machine has a fulcrum?
What is a lever?
A small motor does 4000 Joules of work in 20 seconds. What is the power of the motor? (Be sure to include the measurement)
What is 200 Watts?
An airplane leaves Orlando, Fl and travels 540 miles to Washington D.C.. The flight takes 1.5 hours. The speed of the airplane is __ miles/hour
What is 360?
Volleyball players at the net exerts the same force, but in different directions - the ball does not move because the forces are balanced. What is this an example of?
What is a balanced force?
Impedes (prevents) motion when two surfaces are in contact
What is friction?
A bicycle is considered a simple machine. True or False?
What is false?
A mule pulls a cart of milk 10 meters with a force of 50 newtons. Calculate the work done by the mule. Include the measurement.
What is 500 Joules?
A skateboarder fell doing a jump. She got up and, after 5 seconds, returned to a velocity of 5 m/s. What is her acceleration?
What is 1 m/s2?
Who is going to be pulled forward?
Who is Bryan and Alyssa?
Acceleration of any object depends upon the ____
What is the mass and force applied to an object?
No machine is 100% efficient because _____.
What is machines lose some energy due to friction.
A person weighing 600 N gets on an elevator. The elevator lifts the person 6 m in 10 seconds. How much power was used?
What is 360 Watts?