Exploring Forces & Motion
Science
Year 9
15 questions
~30 mins
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A worksheet covering Forces & Motion for Year 9 students.
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Exploring Forces & Motion
Subject: ScienceGrade: Year 9
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Untitled Worksheet
Grade Year 9
A
Questions
Answer all questions. Show your working where appropriate.
1.
Which of the following is a force that opposes motion?
[1 mark]AGravity
BFriction
CMagnetism
DInertia
2.
Newton's First Law of Motion is also known as the Law of ___.
[1 mark]3.
Match the following terms to their definitions:
[3 marks]1. Acceleration
2. Net Force
3. Mass
ATotal force acting on an object
BAmount of matter in an object
CRate of change of velocity
4.
A car accelerates from rest to 60 km/h in 10 seconds. Calculate the acceleration using the formula a = (v - u) / t.
[3 marks]5.
Explain why seatbelts are important in terms of Newton's Laws of Motion.
[6 marks]6.
Order the following actions in the correct sequence of a parachute jump:
[2 marks]1
2
3
4
5
7.
True or False: An object moving in a circle at constant speed is not accelerating.
[1 mark]8.
True or False: The greater the mass of an object, the greater the force needed to achieve the same acceleration.
[1 mark]9.
What is the force that causes objects to fall towards the Earth?
[1 mark]10.
Describe how friction affects the motion of a sliding object.
[2 marks]11.
How does increasing the force applied to an object affect its acceleration?
[2 marks]12.
What is the effect of balanced forces on the motion of an object?
[1 mark]13.
Identify the type of force that acts between the surfaces of two objects sliding against each other.
[1 mark]ATension
BFriction
CGravitational
DMagnetic
14.
Which law states that for every action, there is an equal and opposite reaction?
[1 mark]ANewton's First Law
BNewton's Second Law
CNewton's Third Law
DLaw of Gravitation
15.
A 10 kg object experiences a net force of 50 N. Calculate its acceleration.
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- Created
- 12/30/2025
- Updated
- 12/30/2025
- Type
- worksheet