Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Physics Final
| Question | Answer |
|---|---|
| physics is the study of | matter and energy |
| he is considered to be the father of modern experimental science | Galileo Galilei |
| the base SI unit for time is the | second |
| in scientific notation, a number between 1 and 10 is multiplied by | a whole number power of 10 |
| the slope of a straight-line graph is the rise____the run | divided by |
| Galileo argued that the planets circled the Earth. T or F? | False, the sun |
| the unit of speed, m/s, is an example of a BASE unit. T or F? | False, derived |
| the degree of exactness to which the measurement of a quantity can be reproduced is called accuracy | False, precision |
| a variable that can be manipulated in an experiment is the independent variable | true |
| when constructing a graph from data, the range of the x-axis is determined by the range of the dependent variable | false- independent |
| a graph that is a parabola represents a linear relationship | false- quadratic |
| you walked10 km west and then ran 10 km north. During each part of the journey, the___ was the same | distance |
| the magnitude of the resultant vector is | calculated using the Law of Cosines |
| a runner is 5.0 km east of another runner, who is 5.0 km east of a parking lot. Where is the first runner with respect to the parking lot? | 10 km east of the lot |
| a runner sprints at 15 m/s to the East. What is the vertical component of his velocity? | 0 m/s |
| a hiker walks 15 miles due east, theen heads due north for 8 km. what is the direction of the resultant vector? | northeast |
| during its orbital period, as a planet moves closer to the sun, the orbital velocity of the planet__ | increases |
| a swimmer wants to swim due east in a stream that flows due south, what direction should he swim | northeast |
| according to Newton's law of universal gravitation, the force of attraction between any two masses is directly related to the__ | product of the two masses |
| as the distance between two bodies increases, the force of attraction between the bodies___ | decreases |
| astronauts in an orbiting space shuttle experience a sensation of weightlessness because | the space shuttle is falling freely towards Earth |
| anything that has mass is surrounded by a__ | gravitational field |
| the force of gravity exerts a___on an orbiting satellite | centripetal force |
| the degree of exactness to which the measurement of a quantity can be reproduced is called accuracy | False, precision |
| a variable that can be manipulated in an experiment is the independent variable | true |
| when constructing a graph from data, the range of the x-axis is determined by the range of the dependent variable | false- independent |
| a graph that is a parabola represents a linear relationship | false- quadratic |
| you walked10 km west and then ran 10 km north. During each part of the journey, the___ was the same | distance |
| the magnitude of the resultant vector is | calculated using the Law of Cosines |
| a runner is 5.0 km east of another runner, who is 5.0 km east of a parking lot. Where is the first runner with respect to the parking lot? | 10 km east of the lot |
| a runner sprints at 15 m/s to the East. What is the vertical component of his velocity? | 0 m/s |
| a hiker walks 15 miles due east, theen heads due north for 8 km. what is the direction of the resultant vector? | northeast |
| during its orbital period, as a planet moves closer to the sun, the orbital velocity of the planet__ | increases |
| a swimmer wants to swim due east in a stream that flows due south, what direction should he swim | northeast |
| according to Newton's law of universal gravitation, the force of attraction between any two masses is directly related to the__ | product of the two masses |
| as the distance between two bodies increases, the force of attraction between the bodies___ | decreases |
| astronauts in an orbiting space shuttle experience a sensation of weightlessness because | the space shuttle is falling freely towards Earth |
| anything that has mass is surrounded by a__ | gravitational field |
| the force of gravity exerts a___on an orbiting satellite | centripetal force |
| the pair of spheres that experience the greatest force of attraction is___ | A) B and C |
| the attractive force between two objects is a measure of | gravitational mass |
| the linear momentum of an object can be calculated by multiplying the mass of the object by its | velocity |
| the greatest change in momentum will be produced by a | large force acting over a long time |
| impulse can be represented by | F(delta)t |
| when a golf club hits a gof ball, the change in momentum of the ball is___ the change in momentum of the club | equal to |
| a system is closed if | the system does not gain or lose mass |
| a person is standing on roller blades and is holding a heavy medicine ball. if he throws the medicine ball horizontally to the right, what will be his resulting motion? | to the left |
| an internal force___ the total momentum of a closed system | does not change |
| two moving objects collide and move on paths that are 120 degrees apart. The total momentum of the objects after the collision is___ the total momentum before the collision | equal to |
| in a closed and isolated system, the sum of all the individual___remains constant | momenta |
| any object that has energy has the ability to | produce a change |
| when a force is exerted on an object, work is done only if the object | has no momentum |
| in which situation is no work done on a football | carrying the football down the field |
| in which situation of work done on the football by a person | picking up the football |
| if the environment does work on a system | the energy of the system increases |
| in which situation is the work done on the football by gravity | dropping the ball |
| one defition of____ is "work done per unit time" | power |
| a wedge used to split wood is a___ machine | simple |
| a pair of gears make up a ____ machine | compound |
| a series of images of an objec that records its position after equal time intervals is called a MOTION DIAGRAM | true |
| the DISPLACEMENT of an object is equal to the product of its average velocity and the time interval | true |
| the ratio of change in velocity to the time interval in which the change is made is defined as AVERAGE ACCELERATION | true |
| K | 1/2mv^2 |
| Ug | mgh |
| 1 joule | (1 kg)(m^2/S^2) |
| work-energy theorem | Fd=delta K |
| result of an elastic collision | K(after)-K(before) |
| when you throw a ball into the air, its mechanical energy at any point is the DIFFERENCE in its kinetic energy and gravitational potential energy | False, sum |
| as an object falls towards Earth, the gravitational potential energy of the object INCREASES | false-decreases |
| the total amount of energy in an isolated, closed system REMAINS CONSTANT | true |
| if a tabletop is used as a reference point in a mechanical-energy problem, an object lying on the tabletop has a gravitational potential energy GREATER THAN ZERO | False, equal to zero |
| elastic and inelastic | elastic KE is conserved and in inelastic KE decreases |
Created by:
lainaw