Demonstrate and calculate how unbalanced forces change the speed or direction of an object's motion;
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Q 1/10
Score 0
The image provided shows two toy cars pushing against each other with a force given in Newtons. Which of the following describes how the two-car system will behave? The two cars will -
30
move at a constant speed to the right.
move at a constant speed to the left.
accelerate steadily to the left.
accelerate steadily to the right.
Q 2/10
Score 0
Calculate the net force of the following situation. <-- 10 Newtons + --> 30 Newtons
30
--> 20 Newtons
<-- 40 Newtons
--> 40 Newtons
<-- 20 Newtons
10 questions
Q.
The image provided shows two toy cars pushing against each other with a force given in Newtons. Which of the following describes how the two-car system will behave? The two cars will -
1
30 sec
8.6a
Q.
Calculate the net force of the following situation. <-- 10 Newtons + --> 30 Newtons
2
30 sec
8.6a
Q.
Two equal forces act at the same time on the same stationary object but in opposite directions. Which statement describes the object's motion?
3
30 sec
8.6a
Q.
Two football linemen push against each other in practice. They do not move, but then lineman B moves forward and lineman A moves backward. Why does this happen?
4
30 sec
8.6a
Q.
What causes objects to move?
5
30 sec
8.6a
Q.
Speeding up, slowing down, and changing direction are all due to
6
30 sec
8.6a
Q.
A boy is trying to pull a dog on a leash, but the dog and the boy are moving in the same direction. Which of the following best describes the forces in this situation?
7
30 sec
8.6a
Q.
Look at the picture of the race car. When the force of friction is equal to the force of the engine, what will happen?
