Forces - BrainPop ChallengeOnline version Test your knowledge about forces with this fun quiz game! by Watermelon English 1 What is a force? a A kind of motion. b A type of energy. c A push or pull on an object. d A measure of speed. 2 What unit is used to measure force? a Newton. b Pascal. c Watt. d Joule. 3 What happens when forces are balanced? a The object speeds up. b The object changes direction and may go up. c The object doesn't move, or it moves at a steady speed. d D) The object disappears. 4 What is an unbalanced force? a A force that makes an object stay still. b A force that makes objects change color. c A force that makes an object change its speed or direction. d A force that is always equal to zero. 5 What is the effect of balanced forces? a Increase in speed. b Change in direction. c Creation of energy. d No change in motion. 6 What are the two types of forces? a Up and Down b Contact and Non-Contact c Left and Right d Small and Big 7 What is a contact force? a A gravitational force. b A force that requires contact between objects. c A force that acts at a distance. d A magnetic force. 8 Which of these is a contact force? a Gravity b Magnetism c The electrical force d Friction 9 What is the force of air resistance? a A gravitational pull. b A magnetic attraction. c A type of friction that opposes motion through air. d A push from the ground. 10 What is "drag"? a A type of engine that slows down gravity b The force that pulls things down to Earth c A type of airplane d The resistance of air pushing against a moving object 11 What happens when Tim and Moby open their parachutes? a Drag decreases. b Drag increases. c Gravity disappears. d The plane speeds up. 12 Forces always involve how many objects a Three b Four c One d Two or More
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