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WorksheetsFinal Exam Review Quizziz
Total questions: 80
Worksheet time: 2hrs 2mins
A man walks 5 miles forwards, 6 miles backwards and then 2 miles forwards. What is his displacement?
1 mile forward
13 miles
3 miles forward
1 mile
The ball below moved from position 1, to position 2, and then finally to position 3. What is the ball's displacement?
4 meters, left
10 meters, left
4 meters, right
10 meters, right
A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?
10 m/s
1000 m/s
100 seconds
10 seconds
In order to find the Time, you must
divide the distance by the speed (distance/speed)
multiply the distance by the speed (distance/speed)
Neither of the Above
A positive acceleration means that your object is _____.
not accelerating
not moving
speeding up
slowing down
The equation for acceleration is...
Acceleration is defined as
the change in velocity over time
the change in position over time
the change in time over velocity
the change in time over distance
A 600kg spacecraft leaves Jupiter and travel to Earth. What is it's mass on Earth ?
23 Kg
23 N
600Kg
600 N
A young South African girl has a mass of 40.0 kg. What is her weight in newtons?
400 N
392 m/s
4.08 N
4.08 m/s
Gravity on Earth is equal to _____.
9.8 m/s2
9.8 m/s
9.8 N
9.8 kg
This object would be moving (pick all that are correct):
up
down
left
right
Which of the following is the best example of Newton's First Law of Motion?
Jessica's body flies forward after she hits the brakes
Jessica drives a car
Jessica is at a road crossing
Jessica is sleeping
Your car has a mass of 2500 kg and a force of 5000 N. How fast will it accelerate?
20 m/s2
2 m/s2
0.5 m/s2
120 N
A 20 kg bike accelerates at 10 m/s2. What was the force?
25 Newtons
20 Newtons
200 Newtons
10 Newtons
You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.
20N
10N
40N
70N
If an object was accelerating at 10 m/s2, and a force of 10 newtons was required to accelerate it, what was the object's mass?
1kg
10kg
5kg
2kg
What is Newton's 2nd Law?
F=ma
Every action has an equal and opposite reaction
An object at rest stays at rest, an object in motion stays in motion.
Friction
In the gif, the woman flops on the beanbag causing the cat to be tossed off. What would have happened if the pet was a gerbil instead
The gerbil would have flown farther and faster
The gerbil would have flown closer and slower
An elevator accelerates upward at 4.0 m/s2, as illustrated in the diagram below:
The passenger has a mass of 50 kg. Calculate the force the floor exerts on the passenger.
700 N
0 N
300 N
500 N
Your friend pushes you for making fun of him/her. What is the reaction force?
You pushing back on your friend
You pushing on the ground
There is no reaction force
Your friend pushing on the ground
When you jump up, you push the earth downwards. Why can't you tell that the earth has moved?
The force of you jumping up doesn't actually push the earth down.
The earth has much more mass so it doesn't move at all
The earth is firmly rooted
The earth has much more mass so you can't tell that it moved
When you hit a tennis ball with a racket...
The ball exerts more force on the racket
The ball and racket exert the same force on each other
The racket exerts more force on the ball
It depends on how hard you hit it
How is this an example of Newton’s Third law?
Only the ball is using the head
They are both exerting an equal force on each other
Only the head is pushing the ball
1st
Law of Motion
2nd
Law of Motion
3rd
Law of Motion
A person is pushed forward into their seat belt when a car stops. Which law is this?
Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law
When the force on a car is doubled, the acceleration is doubled.
Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law
You push against a wall and the wall is pushing back on you.
Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law
Which law best explains why more force must be applied to the bowling ball to make it accelerate at the same rate as the tennis ball.
Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law
If you double the mass of an object but apply the same force apply on it, the acceleration will __________________.
double
cut in half
the same
zero
A car speeding up to get through a yellow traffic light is an example of .... (select all that apply)
balanced Forces
unbalanced Forces
acceleration
Two factors that determine work are...
Force
Mass
Velocity
Distance
Units of force are...
Newtons
Grams
Joules
Meters
Units of work are...
Newtons
Grams
Joules
Meters
If you push a cart with a force of 60 N for 2 m... how much work have you done?
120 J
30 J
120 N
30 N
What is the formula for work?
Force = work × distance
Distance = force × work
Work = force × distance
Work = force × mass
Work is
having a job
movement
energy transfer
energy transfer to an object
If the object does not move then what is happening
nothing
work
power
no work is being done on the object
You are traveling along a freeway at 65 mi/h; your car has kinetic energy. You suddenly skid to a stop because of congested traffic. What happened to the kinetic energy your car just had?
It is all in internal energy in the road
It is all in internal energy in the tires
Some of it has transformed to internal energy for the tires and the road, and some of it transferred away by sound energy and thermal energy into the air.
It was destroyed
In the equation PE = mgh, what does the “g” mean?
Acceleration due to gravity
Force of gravity
Weight of the object
How much power is required to raise a 200-kg crate a vertical distance of 2 m in a time of 4 s?
400 W
1000 W
1600 W
4000 W
A pendulum bob swings from potential C to D as indicated in the diagram. There is no friction or air resistance. Which of the following is not true?
Kinetic Energy decreases from C to D
Potential Energy decreases from C to D
The Total Energy stays constant from C to D.
The bob is fastest at point C.
A hockey puck sliding across the ice on a flat surface slows down. Why is this?
Kinetic Energy is converted in Potential Energy
Kinetic Energy is converted into heat
Potential Energy is converted into heat
Potential Energy is converted into Kinetic Energy.
Pikachu pushes a cat and does 200 J of work. If he applies a a constant force of 20 N, how far does he push the car for?
180 m
4000 m
10 m
220 m
Pikachu pushes a 2 kg cat and does 200 J of work. How much kinetic energy does the cat gain?
200 J
400 J
100 J
0 J
What is potential energy?
moving energy
stored energy
renewable energy
non renewable energy
What is kinetic energy?
moving energy
potential energy
stored energy
renewable energy
