Question

Four weightlifters A through D enter a competition. Their mass and distance that each lifts are shown in the table.

Weighlifter Mass(kg) Distance(m)
A 100.0 2.25
B 150.0 1.76
C 200 1.50
D 275 1.25

Which weightlifter does 3 x 10^3 J of work?

Answer 1

C

Step-by-step explanation:

Answer 2

Multiply the weight by gravity ( 9.81) and then by the distance:

A) 100 * 9.81 * 2.25 = 2207.25 = 2.2 x 10^3

B) 150 * 9.81 * 1.76 = 2589.84 = 2.6 x 10^3

C) 200 * 9.81 * 1.50 = 2943 = = 2.9 x 10^3 ( Can round to 3.0 x 10^3

D) = 275 * 9.81 * 1.25 = 3372.18 = 3.4 x 10^3

The answer should be C.