WorksheetsWork, Power
Total questions: 8
Worksheet time: 6mins
Calculate the work done by a 47 N force pushing a pencil 0.26 m.
180.8J
26.0J
12.2J
470J
How much work is it to lift a 20. kg sack of potatoes vertically 6.5 m?
30.7J
3.07J
130.0J
1300J
If a small motor does 520. J of work to move a toy car 260. m, what force does it exert?
2N
135,200N
0.5N
5N
How far can a mother push a baby carriage, using a force of 56.0 N, if she can do 3836 J of work?
68.5m
214,816m
21481.6m
38.36m
A car uses 2,500 Joules in 25 seconds. How much power was exerted?
62,500 W
100 W
62.5 W
10 W
A 60. watt light bulb runs for 5.0 seconds. How much energy does it use?
12 J
120J
30 J
300 J
You exert 9 watts of power to move a 3.0 N object in 6 seconds. How far did you move it?
18m
27 m
2 m
4.5 m
A girl pushes her little brother on his sled with a force of 300. N for 750. m. How much work
is this if the force of friction acting on the sled and against the girl is 200 N?
375000 J
225000 J
75 kJ
375 kJ
