1 .oblicz cięraz ciała , którego masa wynosi 2 kg
2. oblicz masę ciała ,którego ciężar wynosi tysiąć N
1.
m = 2 kg
g = 10 m/s²
Q = ?
Q = m*g = 2 kg * 10 m/s² = 20 N
2. Q = 1000 N
Q = m*g /:g
m = Q/m
m = 1000N / 10m/s² = 100 kg
F=m*g
F=2*10
F=20N
1000=m*10
10m=1000/:10
m=100kg
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1.
m = 2 kg
g = 10 m/s²
Q = ?
Q = m*g = 2 kg * 10 m/s² = 20 N
2. Q = 1000 N
g = 10 m/s²
Q = m*g /:g
m = Q/m
m = 1000N / 10m/s² = 100 kg
F=m*g
F=2*10
F=20N
F=m*g
1000=m*10
10m=1000/:10
m=100kg