Energy:……………………………………………………………………………………
Kinetic energy:……………………………………………………………………….
…………………………………………………………………………………………….
Potential energy:…………………………………………………………………..
……………………………………………………………………………………………..
Mechanical energy:……………………………………………………………..
…………………………………………………………………………………………..
Fill in the blank
1-work is the transfer of …………..
2- energy is expressed in units of ……………
3- kinetic energy is energy of ……………….
4- all moving object has ………………… energy.
5- kinetic energy can be used to do ……………..
6- the equation of kinetic energy is (……………………….)
7- the m stands for the object's ………….
8- the v stands for the object's …………….
9- ………….. has more effect on kinetic energy than ………….. does
10- a moving car has …….. times the kinetic energy of the same car going half the speed.
11- potential energy is the energy an object ha because of its ……………..
12- when you lift an object you transfer energy to the object and give the object …………………………… ………………. ………………
13- the amount of gravitional potential energy that an object has depends on its ……………… and its …………………
14- the equation of GPE is (……….*…………)
15- weight is expressed in ……………
16- height is expressed in ……………
17- gravitional potential energy is expressed in ………._.......... or …………… (J)
18- the weight you use in calculating gravitational potential energy is a measure of how ……… an object has to ………….
19- mechanical energy of total energy of ………… and ………….. of an object.
20- both kinetic energy and potential energy are kinds of ………………………. Energy.
21- mechanical energy = ……………………. Energy + ………………….. energy.
22- other forms of kinetic energy are ………………,………………… and …………… energy.
23- some forms of potential energy are …………….,…………. And ……………… energy
Answer the questions???
1-why speed is squared?
2- why stretched bow have potential energy?
3- Potential energy depends on what?
4- Kinetic energy depend on what?
5- mass, speed, height, and weight are expressed in what??
6- how to calculate force?
7- what is the athlete kinetic energy that has mass of 70 kg and running at 6 m/s??
8- what is the potential energy of a flower pot weighting 15N and placed on the balcony at a height of 20m above the ground?