WorksheetsCCA Force and Motion Review
Total questions: 13
Worksheet time: 7mins
Name
Class
Date
1.
Which of the following best describes theenergy transformations that occur when a flashlight that runs on batteries is turned on
a)
Chemical => light => electrical
b)
Electrical => light => chemical
c)
Light > electrical > chemical
d)
Chemical > electrical > light
2.
Which object changes electrical energy into mechanical energy
a)
a
b)
b
c)
c
d)
d
3.
Which is an example of conduction?
a)
Solar energy warming a room
b)
Heat rising from the coils of a stove
c)
Hot air drying a wet towel
d)
heat moving from a clothing iron to a shirt
4.
There are four object. A liquid is poured into each. The starting temperature and ending temperature are recorded. Which is the best at insulating the material in the cup?
a)
Start temp 30 Final temp 29
b)
Starting temp 30 final 14
c)
starting temp 30 ending temp 21
d)
Starting temp 30 final temp 9
5.
Which pulley gives a mechanical advantage.
a)
a
b)
b
6.
Four drivers took cars out for test drives on an open stretch of road. A graph of the distances and times is shown below. Use the graph to calculate the average speed of Driver 4. Round your answer to the nearest tenth of a meter per second.
a)
7 meters per second
b)
7.10 meters per second
c)
7.5 meters per second
d)
7.2 meters per second
7.
A mechanical advantage is gained when using some simple machines. For example, an inclined plane can be used to raise an object that is too heavy to lift without a machine. Which inclined plane described in the cart would have the greatest mechanical advantage?
a)
Inclined plane 1
b)
Inclined plane 2
c)
Inclined plane 3
d)
Inclined plane 4
8.
A box and forces are shown.
A box rests motionless on the ground. One student is pushing the box to the right with a force of 2 Newtons. The other student is pushing to the left with a force of 5 Newtons. In which direction and with what type of speed will the box move?
A box rests motionless on the ground. One student is pushing the box to the right with a force of 2 Newtons. The other student is pushing to the left with a force of 5 Newtons. In which direction and with what type of speed will the box move?
a)
It will move left at a constant speed
b)
It will move left at an increasing speed
c)
It will move right at a constant speed
d)
It will move right at an increasing speed
9.
The graph shows the speed of a car traveling east over a 12 second period. Based on the information in the graph, it can be concluded that in the first 6 seconds, the car is –
a)
changing its direction.
b)
experiencing less and less friction.
c)
accelerating at a constant rate.
d)
climbing a steep incline.
10.
What is the difference in average speed between two cars, one that traveled 160 kilometers in 5 hours, and the other that traveled 140 kilometers in the same time?
a)
32 km/hr
b)
6 km/hr
c)
4 km/hr
d)
28 km/hr
11.
An inclined plane reduces the amount of force needed to move an object by —
a)
increasing the distance the object moves.
b)
decreasing the pull of gravity on the object.
c)
reversing the direction the object is moved.
d)
transferring more of the force to the object.
12.
How could students find out whether a short ramp or a long ramp would require less force to use? Measure the amount of force it takes to move —
a)
an object up two ramps with the same height, but different lengths
b)
an object up two ramps with equal heights and equal lengths
c)
an object up two ramps with the same length, but different heights
d)
one object up a ramp and a larger object up an identical ramp
13.
What direction will the box move in and with how much force.
a)
Left 20N
b)
Right 7 N
c)
Left 13N
d)
Right 13 N
100 %
