WorksheetsFinal/Mock Exam Review (Fall 2019)
Total questions: 42
Worksheet time: 45mins
How fast did the object move back towards the starting point between 4 sec and 8 sec?
0.25 meters every second
- 0.25 meters every second
4 meters every second
- 4 meters every second
Calculate the slope of this best-fit line
0.4
2.5
1
0.6
This graph shows the speed of a car during 6 seconds. How far did the car travel (displacement) during the last 2 seconds (4 - 6 s)?
10 m
20 m
10 m/s
20 m/s
How far did the object travel (displacement) between 10 - 12 seconds?
2 m
0 m
-4 m
What is this object doing?
Not moving - staying at position 1 m/s
Moving at a constant speed of 1 m/s in the positive direction
Accelerating at 1 m/s in the positive direction
A woman on a bicycle travels at 9 m/s relative to the ground as she passes a little boy on a tricycle going in the opposite direction. If the boy is traveling at 1 m/s relative to the ground, how fast does the boy appear to be moving relative to the woman?
9 m/s
8 m/s
0 m/s
10 m/s
A dog and a cat are at a stand-off, running towards each other, both at 12 m/s. What is the magnitude of velocity of the cat relative to the dog?
12 m/s
24 m/s
0 m/s
6 m/s
If I swing a bucket of water in a circle above my head, on a string of 1.5 m, and it takes 0.5 seconds to make one revolution, then what is the velocity of the bucket?
3.0 m/s
2.1 m/s
18.8 m/s
9.4 m/s
A car moves clockwise in a circle at a constant speed. Choose all correct statements at the moment that the car is in the position shown in the diagram.
It's not accelerating because it's moving at a constant speed
It is accelerating because it's constantly changing direction
The acceleration vector points North
The acceleration vector points East
The car is experiencing an unbalanced net force pointing West
Two objects with masses A m and B m are separated by a distance, d, and exert a force, F, on each other. What new force will exist between these objects if d is doubled as shown in the diagram?
F/2
F/4
2F
4F
A force of 24.0 N was used to push an object weighing 29.5 N along a flat frictionless horizontal surface. What is the magnitude of the acceleration achieved by the object? (Hint: find the object's mass from its weight)
0.8 m/s2
1.2 m/s2
5.5 m/s2
8.0 m/s2
A box with mass of 100 kilograms hangs from a rope. What is the tension in the rope?
100 N
10.2 N
980 N
Need more information
What is the Fgrav on a car of mass 1500 kg?
1500 N
14700 N
153.06 N
0 N
What happens to the force of gravity if the separation distance is tripled?
Fg decreases to 1/3 of the original magnitude
Fg increases to 1/3 of the original magnitude
Fg decreases to 1/6 of the original magnitude
Fg decreases to 1/9 of the original magnitude
m1 = 6.0 * 1024 kg
m2 = 1000 kg
d = 6.4 * 106 m
Which statement is true?
This object is experiencing an unbalanced net force because it's moving at a constant speed
This object is experiencing a balanced net force because it's moving at a constant speed
If it takes you 1500 J of work to lift a box 1.5 meters above the ground and put it on a shelf, then how much potential energy does it have up there?
More than 1500 J
Less than 1500 J
1500 J
Impossible to tell without the mass
The table shows the mass, velocity and height of four different objects. Which one has the least PE?
A
B
C
D
The table shows the mass, velocity and height of four different objects. Which one has the most KE?
A
B
C
D
You lift a 5 kg box up onto a shelf 2 meters above the ground, doing. This requires 98 Joules of work. What happens to the work you did on the box?
It disappears
It's stored as 98 J of gravitational potential energy
It's stored as gravitational potential energy, less than 98 Joules
It's stored as gravitational potential energy, more than 98 Joules
Most roller coasters pull you up to increase potential energy and then drop you. This one stores energy in a compressed spring at the bottom and then shoots you up into the loop. If 10,000 J are stored in that compressed spring, then how much potential energy does the car have at the very top of the loop?
More than 10,000 J
Exactly 10,000 J
Less than 10,000 J
Impossible to tell. Need more info
Which statement best describes the energy transformation of the ball as it goes from point D to point G?
Kinetic energy is converted into potential energy.
Potential energy is converted into kinetic energy.
Both the kinetic energy and potential energy remain constant.
There is not enough information in the diagram.
A 10.0 kg box is accelerated from 2.0 m/s to 4.0 m/s. What is the amount of work needed to accelerate the box?
50 J
60 J
20 J
45 J
Calculate the force necessary to move a 1000 kg car from rest to 25 m/s in 130 m.
1.274 x 106 J
25,0000 J
2403.85 J
3.25 x 106 J
When you lift a heavy box 1 meter off the ground to put it on the table, you have to do ___________ on it. This results in an increase in _______________.
work; potential energy
potential energy; work
work; kinetic energy
energy; work
work; power
Which statement best describes the energy transformation of the ball as it goes from point A to point D?
Kinetic energy is converted into potential energy.
Potential energy is converted into kinetic energy.
Both the kinetic energy and potential energy remain constant.
There is not enough information in the diagram.
A man runs 3.5 m/s on a flat train car that travels 12 m/s in the opposite direction. What is the man’s velocity relative to a stationary observer?
8.5 m/s to the left
8.5 m/s to the right
15.5 m/s to the right
15.5 m/s to the left
Batman exerts a force on 5N on Superman's hand. What is the force that Superman's hand exerts on Batman's?
Greater than 5N
Less than 5N
Equal to 5 N
Superman's does not exert a force on Batman's
