Question

Jen is investigating the force of friction acting on a metal block as it slides on
wooden board.
Here are steps 1 to 4 in his method. They are in the wrong order.
He stops lifting the board when the block starts to slip.
He places the block on the board.
He measures the angle of the board.
He carefully lifts the end of the board upwards.
Write the steps in the correct order, numbering them from 1 to 4.

Answer 1

Answer:

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Explanation:

Answer 2

Explanation:

1 - He places the block on the board

2 - he carefully lifts the end of the board upwards

3 - he measures the angle of the board

4 - he stops lifting the board when the block starts to slip