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150 SCIPAD - BIG IDEAS - BOOK 2
FORCES AND MOTION
5. Complete the following speed calculations.
Speed Distance Time
3 m 6 s
12 m 4 s
10 m s-1 5 m
0.4 m s-1 4 m
30 m s-1 5 s
140 m s-1 2 s
6. Complete the following force calculations.
Force Mass Acceleration
2 kg 6 m s-2
1.2 kg 4 m s-2
5 N 2 kg
0.8 N 2 kg
5 N 5 m s-2
32 N 2 m s-2
7. (a) Identify whether the pliers shown below use levers, incline planes or wedges.
		
(b) Label the fulcrum, effort and load.
(c) Use the terms stated above to write a brief statement outlining how levers work.
		

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