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- 1. Multiple Choice
What is the correct definition of Newton's Law of Inertia
The acceleration of a body is proportional to, and in the same direction as, the unbalanced force applied to it
An object either remains at rest or continues to move at a constant velocity, unless acted upon by a some external force
For every action there is an equal and opposite reaction
- 2. Multiple Choice
a 2nd Class Lever has what in the middle
Fulcrum
Effort/force
Resistance/weight
- 3. Multiple Choice
What is the equation used in Newton's law of acceleration?
a = f x m
f = m x a
m = f x a
- 4. Multiple Choice
What is Newton's First Law also known as?
The law of reaction
The law of inertia
The law of acceleration
- 5. Multiple Choice
For a first class level, the fulcrum is placed
Between the effort/force and resistance/weight
Effort/force in the middle with fulcrum on one end and resistance/weight on the other
Resistance/weight in the middle with fulcrum and effort/force on the ends
- 6. Multiple Choice
Using Newton's formula for acceleration, how much mass does an object have if its acceleration is 80 m/s and the force applied was 24N
19.2 kg
0.3 kg
30 g
- 7. Multiple Choice
Standing on your toes is an example of what lever
1st class
2nd class
3rd class
- 8. Multiple Choice
What law best describes the action when a high jumper is pushing off the ground before the jump?
Newton's 1st law (inertia)
Newton's 2nd law (acceleration)
Newton's 3rd law (reaction)
- 9. Multiple Choice
What class lever occurs at the neck when nodding your head
1st class
2nd class
3rd class
- 10. Multiple Choice
What class lever is the arm using when a dart thrower is holding a dart up getting ready to throw?
1st class
2nd class
3rd class
- 11. Multiple Choice
If an object weighed 44kg and had a force of 132N applied to it, would it accelerate faster or slower than an object weighing 210kg with a force of 630N applied?
Faster
Slower
The same
- 12. Multiple Choice
when the knee is flexed in preperation to kick a ball, what is acting as the resistance/weight?
the knee
the thigh
the lower leg
torso
- 13. Multiple Choice
What lever is likened to a wheelbarrow?
2nd class
3rd class
1st class
- 14. Multiple Choice
when preparing to throw a javelin, the arm is straight behind the body. What muscle is acting as the effort/force
wrist extensors
tricep
bicep
deltoid
- 15. Multiple Choice
What force DOES NOT act on a football to slow it down once it is kicked
Wind resistance
Friction
Gravity
Humidity
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