QUIZ # 1
1. CONTACT FORCE IS FROM
A. OBJECTS PHYSICALLY TOUCHING
B. FAR-APART OBJECTS
C. NOT TOUCHING AN OBJECT
D. ALWAYS A PULL
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2. _____________ IS A FORCE THAT ALWAYS ACTS IN THE
DIRECTION OPPOSITE OF MOTION.
A. APPLIED
B. FRICTION
C. GRAVITY
D. NORMAL
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3. THE FORCE THAT RESISTS SLIDING BETWEEN TWO
TOUCHING OBJECTS IS CALLED _____________________
A. NORMAL FORCE
B. CONTACT FORCE
C. NON-CONTACT FORCE
D. FRICTION
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• 4. WHAT IS THE BASIC UNIT OF FORCE?
A. JOULE (J).
B. NEWTON (N).
C. WATT (W)
D. NONE OF THE ABOVE
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5. WHAT IS THE FORCE BY WHICH THE OBJECTS RETURN TO
THEIR ORIGINAL STATE AFTER BEING STRETCHED OR
COMPRESSED BY AN EXTERNAL FORCE?
A. . GRAVITATIONAL FORCE
B. TENSION
C.. ELASTICITY / ELASTIC FORCE
D. MAGNETIC FORCE
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6. A FORCE THAT IS PERPENDICULAR TO THE
SURFACE WHERE THE OBJECT IS PLACED.
A. FRICTION
B. NORMAL FORCE
C. APPLIED FORCE
D. ALL OF THE ABOVE
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7-8. EXPLAIN THE ILLUSTRATION
QUIZ # 1
9-10. EXPLAIN THE ILLUSTRATION