Skip to content

Course home

Sign up

8 Energy – forces doing work

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110
Question 79
F

The table shows measurements for two motors lifting loads.

MotorInput energy in JUseful energy in JTime in s
X10006003.0
Y8005604.0

Which statement is correct?

[1]
A

Y has greater efficiency and smaller useful power.

B

Y has greater efficiency and greater useful power.

C

X has greater efficiency and smaller useful power.

D

X has greater efficiency and greater useful power.

Markscheme

8 Energy – forces doing work Questions

  1. GCSE
  2. /Physics
  3. /8 Energy – forces doing work

Question bank