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Q1
Figure 1 shows a boat floating on the sea. The boat is stationary.
- Figure 2 shows part of the free body diagram for the boat.
Complete the free body diagram for the boat.
2. Calculate the mass of the boat.
Use the information given in Figure 2.
gravitational field strength = 9.8 N/kg
Give your answer to two significant figures.
___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________
Mass = _____________________ kg (4)
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1.Draw a vertical arrow of equal size pointing upwards
Label the arrow as ‘upthrust’
2.Weight 𝑊=25kN=25,000N
W=mg
m=W/g=25000/9.8
m=2551kg
2 s.f
m=2600kg
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