the change of distance over time an object travels is
Speed
100
If a 25kg box is being held at 25m, how much work is performed?
0J
100
The unit of measurement for force is..
Newtons
100
In order, the three laws of motion are..
Law of Inertia, Law of force and acceleration and law of action-reaction
200
If volume needs to be solved for, how is the problem set up?
mass/density
200
What are the three situations an object undergoes acceleration?
Increase speed, decrease speed and/or change direction
200
If distance needs to be solved for, how is the problem set up?
Work/Force
200
If force is increased on an object, what happens to the objects acceleration?
Increases
200
If Student A is pushing on the left side of the box with a force of 75N and Student B is pulling on the right side of the box with a force of 50N, what is the net force acting on the box?
125N
300
If a time vs. distance graph shows a flat line, the object is...
at rest
300
An object traveling 10 m/s north is best described as...
Velocity
300
One person is using 6N to carry a box up 2 meters. Another person is using 3N to walk up a 4 meter incline. Who is performing more work?
None!
300
Occurs when multiple forces acting on an object cause the object to increase or decrease speed
Unbalanced force
300
A car going 65 mph slows down to exit the highway is an example of ....
acceleration
400
If a velocity vs. time graph shows a flat line, what is the object doing?
traveling at a constant speed
400
If a skateboarder jumps off his skateboard towards the northeast, his skateboard will travel in which direction?
Southwest
400
Josh is using 25 Joules of work when walking a distance of 10 meters. What is the amount of force he is applying?
2.5 Newtons
400
If a spacecraft has a mass of 500kg and an acceleration of 4 m/s2, what is the force?
2000N
400
State the complete first law of motion.
An object at rest will stay at rest or an object in motion will stay in motion until an unbalanced force is acted on it.
500
A piece of aluminum occupies a volume of 15.0 mL and weighs 40.5 g. What is its density? Will it sink or float in water?
2.7 g/mL3 and SINK
500
If a car has been traveling 275 miles over 5 hours to Austin, Tx. What is the car's velocity?
55 m/h north
500
If 1.5 J of work was performed over 7 meters. What is the amount of force used?
0.21 Newtons
500
If a 0.60kg soccerball is accelerated with a force of 10.8N. What is the acceleration?
18 m/s2
500
List the four energy transformations from beginning to end in the picture.
potential energy -> kinetic energy -> mechanical energy -> electrical energy