Formulas

Question 1

distance/displacement

Answer 1

d=vt

Question 2

average speed

Answer 2

total distance/total time

Question 3

average velocity

Answer 3

displacement/time

Question 4

acceleration

Answer 4

Vf-Vo/t

Question 5

final velocity

Answer 5

Vo+at

Question 6

acceleration of gravity

Answer 6

9.8m/s^2

Question 7

force

Answer 7

mass/acceleration

Question 8

weight

Answer 8

massxgravity

Question 9

gravitational force

Answer 9

Gm1m2/r^2

Question 10

unit of force

Answer 10

newton

Question 11

unit of gravitational force

Answer 11

Nm^2/kg^2

Question 12

universal gravitational constant

Answer 12

6.67x10^11

Question 13

momentum

Answer 13

massxvelocity

Question 14

unitof momentum

Answer 14

kgm/s

Question 15

impulse

Answer 15

forcextime

Question 16

unit of impulse

Answer 16

Ns

Question 17

impulse momentum theory

Answer 17

mv2-mv1

Question 18

force can also be calculate

Answer 18

change in momentum/change in time

Question 19

work

Answer 19

fd or fdcostheta

Question 20

kinetic energy

Answer 20

1/2mv^2

Question 21

unit of energy

Answer 21

joules

Question 22

potential energy (gravitational)

Answer 22

mgh

Question 23

elastic potential energy

Answer 23

1/2kx^2

Question 24

spring constant (k)

Answer 24

hooke’s law: f=kx

Question 25

newtonsthird law

Answer 25

for every action there is an equal or opposite reaction

Question 26

net work (?)

Answer 26

change inkinetic energy

Question 27

kinetic energy increase,work ?

Answer 27

increase

Question 28

kinetic energy formula 2

Answer 28

1/2lw^2

l=mass moment inertia
w=angular velocity

Question 29

everytimea force and displacement is at 90 deg work done is

Answer 29

zero

Question 30

power

Answer 30

work/time

Question 31

1 watt is ____ J/s

Answer 31

1

Question 32

1hp=____watt

Answer 32

746