8 Energy – forces doing work

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Question 29

An electric hoist is used to lift a load of building materials up to a scaffold. During this lift, the useful energy transferred to the gravitational potential energy store of the materials is 4500 J.

State the amount of useful work done on the load as it is lifted.

[1]

8 Energy – forces doing work

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Question 29

An electric hoist is used to lift a load of building materials up to a scaffold. During this lift, the useful energy transferred to the gravitational potential energy store of the materials is 4500 J.

State the amount of useful work done on the load as it is lifted.

[1]

8 Energy – forces doing work

Question 29

Markscheme

8 Energy – forces doing work

Question 29

Markscheme

8 Energy – forces doing work

Question 29

8 Energy – forces doing work Questions

8 Energy – forces doing work

Question 29

8 Energy – forces doing work Questions