CP2 - Newton's second law (Amber; Grades 5 - 6)

What is the force if the mass is 3.5 kg and the acceleration is 80 m/s2?

• F = 80 ÷ 3.5 = 22.9N

• F = 3.5 ÷ 80 = 0.44N

• F = 3.5 x 80 = 280 N

What is the force if the mass is 800 kg and the acceleration is 60 m/s2?

• F = 800 ÷ 60 = 13.3N

• F = 800 x 60 = 48000 N

• F = 60 ÷ 800 = 0.075N

What is the acceleration if the mass is 80 kg and the force

75 N?

• a = 75 ÷ 80 = 0.94 m/s²

• a = 75 x 80 = 6000m/²

• a = 80 ÷ 75 = 1.07m/s²

What is the mass if the force is 90 N and the acceleration is

80 m/s2?

• m= 80 ÷ 90 = 0.89 kg

• m = 90 ÷ 80 = 1.13 kg

• m = 90 x 80 = 7200 kg

What is the mass if the force is 20 N and the acceleration is 80 m/s2?

• m = 20 ÷ 80 = 0.25 kg

• m = 80 ÷ 20 = 4 kg

• m = 80 x 20 = 160 kg

What is the force if the mass is 40 kg and the acceleration is

23 m/s2?

• F = 40 ÷ 23 = 1.74N

• F = 23 ÷ 40 = 0.575N

• F = 40 x 23 = 920 N

What is the acceleration if the force is 74 N and the mass is 655 kg?

• a = 655 ÷ 74 = 8.85 m/s²

• a = 74 ÷ 655 = 0.113 m/s²

• a = 74 x 655 = 48,470 m/s²