=
f
o
r
ce × distanc
e
= force you drag with ×
distance you drag
= 50 newton × 3 metre
= 150 joule
=
f
o
r
ce × distanc
e
= force you drag with ×
distance you drag
= 70 newton × 5 metre
= 350 joule
=
f
o
r
ce × distanc
e
= force you drag with × distance you drag
= 20 newton × 2 metre
= 40 joule
ene
r
gy shifted
ene
r
gy shifted
ene
r
gy shifted
40 joule of
ene
r
gy shif
t
ed
f
r
om
chemical store
40 joule of
ene
r
gy shif
t
ed
t
o
gravitational store
350 joule of
ene
r
gy shif
t
ed
f
r
om
chemical store
350 joule of
ene
r
gy shif
t
ed
t
o
gravitational store
150 joule of
ene
r
gy shif
t
ed
f
r
om
chemical store
150 joule of
ene
r
gy shif
t
ed
t
o
gravitational store
thermal
s
t
o
r
e of energy
is filled
chemical
s
t
o
r
e of energy
is emptied
thermal
s
t
o
r
e of energy
is filled
chemical
s
t
o
r
e of energy
is emptied
thermal
s
t
o
r
e of energy
is filled
chemical
s
t
o
r
e of energy
is emptied