# Ch 11.1 Forces Change Motion

13 Questions | Total Attempts: 229

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Complete this quiz to earn classwork points. Everyone needs to sign in with (last first) name. work with your shoulder partner to get the correct answers. If you don't like your score take it again for more points. (Page 345 - 351).

• 1.
The "explore changing motion" on page 345.  Using your textbook (as the first object) complete the procedure.  Write down #2 here and go through the procedure with another object.
• 2.
Write down the definition for FORCE on page 345.
• 3.
Look at the picture on page 346.  Notice the 3 forces in the picture.  Contact force, Gravity, and Friction.  The arrow (called vectors) size represent the forces direction and strength.  Which force has the least amount of strength?
• A.

Gravity

• B.

Contact force

• C.

Friction

• 4.
If the _______ became greater than the contact force the skater would slow down and stop.
• 5.
Give an example of contact force.
• 6.
Give an example of friction.
• 7.
Page 347.  Write a definition for net force.
• 8.
Page 347.  What is the difference between balanced and unbalanced force.
• 9.
Give an example of balanced force.
• 10.
Give and example of unbalanced force.
• 11.
A basketball player shoots and scores from the 3 point line on earth.  While in space he makes the same shot with the same amount of force.  Why is he going to miss?
• 12.
How can an unbalanced force change the motion of an object?
• 13.
Page 348.  "Check your reading"  What happens to a moving object if all the forces on it are balanced?
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