Refer to the following information for the next two questions.
An astronaut in outer space away from gravitational or frictional forces throws a rock.
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The sketch shows a top view of a rock being whirled at the end of a string in a clockwise direction.
Refer to the following information for the next five questions.
Suppose you are standing in the aisle of a bus that travels along a straight road at 100 km/h, and you hold a pencil still above your head.
Refer to the following information for the next three questions.
Use the words mass, weight, and volume to complete the table.
Refer to the following information for the next three questions.
Different masses are hung on a spring scale calibrated in newtons. The force exerted by gravity on 1 kg = 9.8 N.