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April 16, 2014

Homework Help: science

Posted by Gabby ( 5 grade) on Monday, February 27, 2012 at 6:29pm.

Numbers 1-9 are true and false questions.Check if my answers are right and if I didn't write anything on the blank, I need help with them. Thanks!!!!
_____ 1. Velocity could be reported as 50 k/hr.
True 2. How far an object travels in a certain period of time is its speed.
_____ 3. You should indicate direction when reporting speed.
True 4. Every moving object has inertia.
True 5. Forces can make moving objects stop or slow down.
______ 6. A moving skateboard is an example of action and reaction forces at work.
True 7. When a frog jumps from a leaf, the force of the leaf on the frog is the reaction force.
False 8. Objects weigh more on the moon than on Earth.
True 9. Friction always pushes in the opposite direction to the way an object is moving.

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