Day: February 17, 2014


See on – PHYSICAL SCIENCES BREAK 1.0 A cricket ball of mass 160 g is bowled at 40 m·s−1 towards a batsman. Calculate the momentum of the cricket ball. Chipa Thomas Maimela‘s insight: Identify what information is given and what is asked for The question explicitly…


Newton’s second law

See on – PHYSICAL SCIENCES BREAK 1.0 A man is pulling a 20 kg box with a rope that makes an angle of 60° with the horizontal. If he applies a force of magnitude 150 N and a frictional force of magnitude 15…

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