The correct answer is (C) Mass of the balls.
The mass of the planet is of no concern and therefore it does not matter.
sharon kalunda answered the question on July 29, 2019 at 06:59
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The machine used to raise a flag makes work easier by
(Solved)
The machine used to raise a flag makes work easier by
A. changing the direction of the effort.
B. making the load lighter.
C. reducing the distance that effort moves.
D. Reducing the effort
Date posted:
July 29, 2019
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Answers (1)
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The diagram below shows a simple machine with positions labelled E, F, G and H.
For the machine to make work easier the effort should be...
(Solved)
The diagram below shows a simple machine with positions labelled E, F, G and H.
For the machine to make work easier the effort should be applied at point
A. E.
B. F.
C. G.
D. H.
Date posted:
July 29, 2019
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Answers (1)
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Which one of the following activities would cause a reduction in the number of animals in a river?
(Solved)
Which one of the following activities would cause a reduction in the number of animals in a river?
A. Washing vehicles in the river.
B. Dumping human waste into the river.
C. Wild animals watering in the river.
D. Cutting trees from the river bank.
Date posted:
July 29, 2019
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Answers (1)
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Use of cover crops for conservation of soil will work in the same way as
(Solved)
Use of cover crops for conservation of soil will work in the same way as
A. planting of trees.
B. mulching.
C. terracing.
D. contour farming.
Date posted:
July 29, 2019
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Answers (1)
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A component of air used for germination is also required for
(Solved)
A component of air used for germination is also required for
A. burning substances.
B. preserving soft drinks.
C. making proteins.
D. making electric bulbs.
Date posted:
July 29, 2019
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Answers (1)
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In an experiment on mixing of liquids, water, cooking oil, fresh milk and kerosene were mixed two at a time. Cooking oil mixed well with
(Solved)
In an experiment on mixing of liquids, water, cooking oil, fresh milk and kerosene were mixed two at a time. Cooking oil mixed well with
A. water and fresh milk.
B. water only.
C. fresh milk and kerosene.
D. kerosene only.
Date posted:
July 29, 2019
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Answers (1)
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The form of energy that comes second during energy transformation in a torch dry cells is
(Solved)
The form of energy that comes second during energy transformation in a torch dry cells is
A. Light.
B. electrical.
C. chemical.
D. heat.
Date posted:
July 29, 2019
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Answers (1)