Skip to content

Course home

Sign up

1.7.1a Energy stores and energy transfers

EasyMedium
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188
Question 97

An operator uses a battery-powered lawnmower.

a.

State the type of energy store in the lawnmower's battery.

[1]
b.

The operator pushes the lawnmower along the lawn at a constant speed with a horizontal force of 16 N16\text{ N}16 N. The operator pushes the lawnmower for a distance of 5.5 m5.5\text{ m}5.5 m.

Calculate the mechanical work done by the force pushing the lawnmower.

[2]
c.

The lawnmower is used for a time of 45 s45\text{ s}45 s. The electrical energy input to the lawnmower during this time is 6300 J6300\text{ J}6300 J.

Calculate the power input to the lawnmower.

[2]
Markscheme

1.7.1a Energy stores and energy transfers Questions

  1. IGCSE
  2. /Physics
  3. /1.7.1a Energy stores and energy transfers

229 exam-style questions on CIE IGCSE Physics 1.7.1a Energy stores and energy transfers. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank