    Physical Science 1st Semester Final - Section 2

Quiz by Brooke Smitha

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20 questions
• Q1
What is the definition of Force?
Law of Inertia
a push or a pull. Causes an object with a mass to change its velocity (speed or direction)
A force that holds back the movement of a sliding object or the force that holds back the movement of two touching things
Measure of how fast something is moving
30s
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• Q2
Define Motion
a measure of how much matter in an object
a change in position
A measurement of a change of an object’s velocity.
A force which pulls two objects together.
30s
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• Q3
Define Mass
A force which pulls two objects together.
a measure of how much matter in an object
Law of Inertia
Measure of how fast something is moving.
30s
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• Q4
Define Velocity
A measurement of a change of an object’s velocity.
a measure of how much matter in an object
Measure of how fast something is moving in a particular direction (Speed with a direction)
The resistance of an object to any change of its motion. (still or moving)
30s
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• Q5
Define Acceleration
A measurement of a change of an object’s velocity.
a change in position
a measure of how much matter in an object
The resistance of an object to any change of its motion. (still or moving)
30s
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• Q6
What is Newton's 1st Law?
F=MA
For every action there is an equal and opposite reaction
a change in position
Law of Inertia
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• Q7
What is Newton's 2nd Law?
Law of Inertia
A force which pulls two objects together.
For every action there is an equal and opposite reaction
F=MA
30s
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• Q8
What is Newton's 3rd Law?
Friction
Law of Inertia
F=MA
For every action there is an equal and opposite reaction
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• Q9
A ball is traveling at 5 m/s with the momentum of 80 kg-m/s. What is it's mass? 10 kg
0.0625 kg
400 kg
16 kg
30s
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• Q10
A 300 kg car travels at 11 m/s. What is its momentum? 3300 kg-m/s
27.27 kg-m/s
3000 kg-m/s
0.036 kg-m/s
30s
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• Q11
A 250 kg truck travels with a momentum of 560 kg x m/s. What is its velocity 2.24 m/s
140000 m/s
0.44 m/s
1.2 m/s
30s
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• Q12
A 7 kg ball is traveling at 5 m/s . What is it's momentum 35 kg-m/s
1 .4 kg -m/s
12.5 kg-m/s
0.71 kg-m/s
30s
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• Q13
Define impulse
change in momentum
A collision in which colliding objects stick together
when objects collide, they transfer momentum from one to another
Mass in Motion
30s
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• Q14
Define an elastic collision
A collision in which colliding objects stick together
change in momentum
when objects collide, they transfer momentum from one to another
A collision in which colliding objects rebound off each other
30s
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• Q15
Define inelastic collision
A collision in which colliding objects rebound off each other
A collision in which colliding objects stick together
change in momentum
Mass in Motion
30s
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• Q16
Define momentum
when objects collide, they transfer momentum from one to another
Mass in Motion
change in momentum
A collision in which colliding objects stick together
30s
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• Q17
The law of conservation of momentum states:
when objects collide, they transfer momentum from one to another
Mass in Motion
change in momentum
the total momentum of a system does not change if no net force acts on the system
30s
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• Q18
Define momentum transfer
A collision in which colliding objects rebound off each other
change in momentum
A collision in which colliding objects stick together
when objects collide, they transfer momentum from one to another
30s
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• Q19
A 5 kg ball traveling at 5 m/s hits a 7 kg ball at rest. The 5 kg ball transfers all its momentum over to the 7 kg ball. Is this an elastic collision or an inelastic collision?
Elastic Collision
Inelastic Collision
30s
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• Q20
Jocko the clown, whose mass is 60 kg, stands on a skateboard. A 20 kg ball is thrown at Jocko at 3 m/s, and when he catches the ball, he and the ball move on the skateboard. Is this an elastic collision or an inelastic collision?
Inelastic Collision
Elastic Collision
30s
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