1. Which of the following best describes a force?
A Push and pull
C. Movement of a certain object in a given frame of reference
B. The sum of magnitude applied to a certain object in a given direction. D. Both A and C.
2. If the total net force acting on an object is not equal to zero, then the object is said to be in motion. What type
force is applied to the object?
A Balanced Force B. Unbalanced Force C. Combine Force
D. Normal Force
3. Which box would move faster if both boxes were pushed by the same amount of force?
GI
A Box A
C. both Box A and Box B will accelerate at the same rate
B. Box B
D. neither Box A or B
4. Which of the following statements below best describes the Law of Acceleration?
1. If mass is constant, the greater the force applied the greater the acceleration,
II. If mass is constant, the greater the force applied the lesser the acceleration
III. If force applied is constant, the greater the mass the greater the acceleration
IV. If force applied is constant, the greater the mass the lesser the acceleration
A. I and Il B. I, II and I
C. I, II and IV
D. I and IV
5 What is the relationship between force and acceleration if the mass of the object is constant?
A The greater the force applied, the lesser the acceleration.
B. The greater the force applied, the greater the acceleration
C. The greater the mass, the lesser the acceleration
D. The lesser the mass, the lesser the force applied
6. Which of the following is an example of uniform circular motion?
A motion of earth around the sun C. a girl pushing a cart
B. a mother lifting a child from the crib
D. a man climbing a tree
7. A car moves around a circular path of a constant radius at a constant speed. Which of the
statements is true?
A The car’s velocity is constant
C. The car’s acceleration is zero
B. The car’s acceleration is constant D. The car’s velocity is directed toward the center
8. When an action force occurs, the reaction force is always
A in the same direction as the action force. C. applied to the same object as the action force
B. equal and opposite to the action force.
D. equal and the same direction as the action force
9. When a boy jumps, the boy’s action force acts on the ground and the reaction force
A is exerted by the ground
C. is greater than the action force
B acts on the boy.
D. is equal to the action force
10 Based on Newton’s third law, if a hammer strikes and exerts 80 N force on a nail, how much forced
exerts on the hammer?
A ON
B. 40 N
C. 80 N
D. 160 N
11. Which of the illustrations below shows Newton’s Third Law of motion?
12. Forces always occur
a by themselves
c. single quantities
d. in triplets
b. in pairs
13. According to Newton’s third law, if you push gently on something, it will push
a Gently on you
b. Gently on something else
c. On something only under the right conditions
D.on you only if you aren’t moving
Answer:
1.A 2.D 3.A 4.C 5.A 6.D 7.D 8.D 9.A 10.D 11.B 12.D
possibility
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I object! – gpb. 'if an object doesn't have a definition then it doesn't exist. What would you like to be if you would be an object?
If money were no object, what would you do?. If i were an object…. Week 2: what is your object? – please find attached: iyer
