2,3 / 2,4 Reading Quiz - work done, PE KE, power, circular motion
Questions and Answers
1.
Which areas of this work done, KE, PE, power and circular motion do you have the most difficult with? Can you formulate a question?
2.
20N pushes a box 6m in 3 seconds.
What is the work done by the force?
A.
360J
B.
120J
C.
60J
D.
18J
3.
What is the average power used in moving an object with 20N for a distance of 6m in 3seconds?
A.
3.33W
B.
2W
C.
6.66W
D.
40W
4.
What aspect of a force distance graph give you the work done?
A.
The gradient,
B.
The area
C.
Half the area
D.
The second derivative
5.
2Kg mass is thrown with a velocity of 5m/s. What is its KE?
A.
5J
B.
10J
C.
25J
D.
50J
6.
A 2Kg mass is given 100J of KE. How high will it reach if it is thrown vertically upwards?
A.
2.5m
B.
5m
C.
25m
D.
50m
7.
What is an elastic collision?
A.
Where momentum is conserved
B.
Where energy is conserved
C.
Where kinetic energy is conserved
D.
Where potential energy is conserved
8.
A speed boat is able to travel with a maximum velocity of 20m/s. The power rating of the engine is 2000W. What is the sum of the frictional forces on the boat?
A.
40,000 N
B.
200 N
C.
100 N
D.
50 N
9.
What is the acceleration of a 40Kg boy sitting on the edge of a merry-go-round. The tangetial speed is 2m/s. The diameter of the merry go round is 8m. What is the acceleration he experiences.
A.
0.5 m/s2
B.
1m/s2
C.
2m/s2
D.
4m/s2
10.
When a bucket is being swung round in a circle in a verticle plane, what are the forces acting on the bucket when it is at the lowest point?
In this physics quiz, we will focus on graphing motion. Take this motion graph quiz to find how well you have studied this topic during your school. Motion is a change in the position of an object over time. We have learned more...
Questions: 10 | Attempts: 32357 | Last updated: Mar 22, 2022
Sample Question
The graph below represents the motion of an object. According to the graph, as time increases, the velocity of the object: