1) Which of the following is not a force? a) Elastic Spring b) Magnetic c) Gravity d) Friction e) Heat 2) What can a magnet attract? a) iron b) aluminium c) copper d) gold e) plastic f) wood 3) Which of the following is true? a) Magnetic force cannot act at a distance. b) Like poles attract. c) Unlike poles repel. d) Magnet are made of magnetic materials. 4) Which of the following is true? a) Gravity causes objects to fall to the ground. b) Weight is the same as mass. c) It is easier to climb up the stairs. 5) Which of the following is not an effect of frictional force? a) It makes a moving object go faster. b) It stops a moving object. c) It causes wear and tear. d) It produces heat. 6) How can you reduce friction? a) Use a rougher material as a surface. b) Add oil or lubricant.
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Different Types Of Forces
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