Chemistry, 21.03.2021 18:20 fvmousdiana
Haipushing a wheelbarrow filled with sand on a building site. The total
wheelbarrow and its contents is 30 kg. When he applies a force
wheelbarrow move forward at a constant speed.
what is the magnitude of the friction between the wheels and the
ground? Explain your answer.
man shouts at John to hurry up, and he increases his pushing force
SON
Draw a labelled free-body diagram of all the forces that act on
the wheelbarrow
Calculate the wheelbarrow's acceleration (10 ms forward)
2. The mass of a minibus with the driver is 1,50 x 10kg. Assume that the
passengers have an average mass of 50,0 kg each. The driver is moving at
speed of 30,0 ms when he notices that the traffic lights ahead have turn
to red. He causes a braking force of 9,00 x 10'N on the minibus.
Answers: 3
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Haipushing a wheelbarrow filled with sand on a building site. The total
wheelbarrow and its conte...
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