Force, mass & acceleration

At the start of a race, Billy accelerated at 8m/s2 after pushing off the starting blocks with a force of 444N - what is Billy's mass in kg?

• 55.5
• 45.69
• 67.74
• 57.66

Fayaaz moves his Knight of mass 26g to f3 with a force of 13N - at what rate did the Knight accelerate in m/s2?

• 0.5
• 0.62
• 0.62
• 0.43

Martin shoots a basketball of mass 1200g and it accelerates at 4.9m/s - what was the force Martin applied to the ball in N?

• 5.88
• 5.7
• 7.03
• 7.88

At the start of a race, Billy accelerated at 9m/s2 after pushing off the starting blocks with a force of 442N - what is Billy's mass in kg?

• 49.11
• 51.68
• 71.94
• 54.14

Mr Kennedy has a mass of 99kg and jumps upward with a force of 123N - what is his vertical acceleration in m/s2?

• 1.24
• 1.82
• 1.69
• 1.36

Martin shoots a basketball of mass 2800g and it accelerates at 1m/s - what was the force Martin applied to the ball in N?

• 2.8
• 2.44
• 3.47
• 4.12

Ben kicks a football of mass 600g and it accelerates at 5.5m/s - what was the force Ben applied to the ball in N?

• 3.3
• 3.14
• 3.19
• 3.19

Martin shoots a basketball of mass 2100g and it accelerates at 1m/s - what was the force Martin applied to the ball in N?

• 2.1
• 1.71
• 2.72
• 2.78

Layla fly-kicks an intruder who had a mass of 170kg with a force of 189N - at what rate did the fly-kick accelerate the intruder in m/s2?

• 1.11
• 1.49
• 0.83
• 0.99

At the start of a race, Billy accelerated at 9m/s2 after pushing off the starting blocks with a force of 413N - what is Billy's mass in kg?

• 45.89
• 61.77
• 55.69
• 65.51