Understanding Force 1
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Question 1 of 10
1. Question
1 point(s)Which property of an object cannot be changed by a force?
CorrectIncorrect -
Question 2 of 10
2. Question
1 point(s)The object in the diagram is acted upon by the two forces shown.
What is the effect of these forces?CorrectIncorrect -
Question 3 of 10
3. Question
1 point(s)Which statement about a moving object is correct?
CorrectIncorrect -
Question 4 of 10
4. Question
1 point(s)A force acts on a moving rubber ball.
Which of these changes could not happen to the ball because of the force?CorrectIncorrect -
Question 5 of 10
5. Question
1 point(s)Which combination of forces produces a resultant force acting towards the right?
CorrectIncorrect -
Question 6 of 10
6. Question
1 point(s)On which ball is a non-zero resultant force acting?
CorrectIncorrect -
Question 7 of 10
7. Question
1 point(s)A large parcel is on a horizontal conveyor belt. The conveyor belt moves the parcel towards a lorry.
The parcel travels towards the lorry at a constant speed. Only two horizontal forces act on the parcel: air resistance, and friction with the conveyor belt.
Which row correctly compares the directions and the sizes of these two forces?\[
\begin{array}{|c|c|c|}
\hline & \text { directions } & \text { sizes } \\
\hline \text { A } & \text { opposite } & \text { different } \\
\text { B } & \text { opposite } & \text { the same } \\
\text { C } & \text { the same } & \text { different } \\
\text { D } & \text { the same } & \text { the same } \\
\hline
\end{array}
\]CorrectIncorrect -
Question 8 of 10
8. Question
1 point(s)A car moves along a level road.
The diagram shows all of the horizontal forces acting on the car. Which statement is correct?CorrectIncorrect -
Question 9 of 10
9. Question
1 point(s)A moving train is more difficult to stop than a moving car because
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Question 10 of 10
10. Question
1 point(s)Which of the following statements are correct about inertia or Newton’s First Law?
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