Month: January 2014

Components of vectors


See on Scoop.it – PHYSICAL SCIENCES BREAK 1.0 Any vector can be resolved into a horizontal and a vertical component. If R  is a vector, then the horizontal component of R is R x and the vertical component is R y. Chipa Thomas Maimela‘s insight: A number of vectors acting together can be…

Conservation of momentum


See on Scoop.it – PHYSICAL SCIENCES BREAK 1.0 When they come into contact, ball 1 exerts a contact force on the ball 2, F B1, and the ball 2 exerts a force on ball 1, F B2. We also know that the force will result in a change…

Change in momentum


See on Scoop.it – PHYSICAL SCIENCES BREAK 1.0 Click here to edit the title Chipa Thomas Maimela‘s insight: A rubber ball of mass 0,8 kg is dropped and strikes the floor with an initial velocity of 6 m·s−1. It bounces back with a final…

Change in momentum


See on Scoop.it – PHYSICAL SCIENCES BREAK 1.0 Momentum Chipa Thomas Maimela‘s insight: Lets start with a simple picture, a ball of mass, m, moving with initial velocity, v i, to the right towards a wall. It will have momentum pi=mv i to the right as shown in this picture:…

Resultant of perpendicular vectors


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