Use the formula to work out each answer. Round to 2 decimal places if needed.
1.An object weighs 830 N on Earth. What is its mass in kg? (g = 10 N/kg)
2.A resultant force of 72 N acts on a 12 kg box. What is its acceleration in m/s²?
3.An object weighs 550 N on Earth. What is its mass in kg? (g = 10 N/kg)
4.A current of 4 A flows through a 17 Ω resistor. What is the voltage across it, in V?
5.An object weighs 1090 N on Earth. What is its mass in kg? (g = 10 N/kg)
6.A car moves at 7 m/s for 9 s. How far does it travel, in m?
7.A current of 9 A flows through a 12 Ω resistor. What is the voltage across it, in V?
8.A car moves at 8 m/s for 30 s. How far does it travel, in m?
9.A potential difference of 40 V is applied across a 10 Ω resistor. What current flows, in A?
10.A potential difference of 108 V is applied across a 18 Ω resistor. What current flows, in A?
11.A block has a mass of 3 g and a volume of 3 cm³. What is its density in g/cm³?
12.A motor transfers 924 J of energy in 14 s. What is its power in W?
13.A resultant force of 11 N acts on a 11 kg box. What is its acceleration in m/s²?
14.A block has a mass of 23 g and a volume of 23 cm³. What is its density in g/cm³?
15.An object weighs 1100 N on Earth. What is its mass in kg? (g = 10 N/kg)
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