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Physics Test : Force and Motion

26 May , , , ,

Forces and Motion Online Test

Complete all three sections below, then click "Submit for Marking" at the bottom to check your score.
 

 

Part A: Multiple Choice (10 Questions)

1. What is the standard SI unit of force?
2. An object at rest stays at rest, and an object in motion stays in motion unless acted upon by a net force. This is Newton's:
3. Which mathematical formula correctly represents Newton's Second Law of Motion?
4. Which force actively opposes motion between two surfaces in contact?
5. The rate of change of an object's velocity over time is known as:
6. When you jump off a small boat into the water, the boat recoils backward. This is a demonstration of Newton's:
7. What is the approximate acceleration due to gravity on Earth's surface?
8. Which of the following is a vector quantity (having both magnitude and direction)?
9. Which property describes the measure of the amount of matter in an object?
10. An object moving in a circular path experiences a net force pointing toward the center. This is called a:

Part B: Short Answer (10 Questions)

Provide a one-word answer for each question. Spelling counts! (Case-insensitive)
11. What force pulls objects downward toward the center of the Earth?
12. What quantity is calculated as the product of an object's mass and its velocity?
13. In physics, any push or pull on an object is defined as a:
14. What property of matter makes it resist changes to its state of motion?
15. What SI unit measures energy or work done by a force?
16. What term describes the speed of an object in a specific, designated direction?
17. What scalar quantity represents total distance traveled divided by elapsed time?
18. What term represents the force on an object due to gravity (mass times gravity)?
19. What type of pulling force is transmitted through a stretched rope, string, or cable?
20. What is the state of an object when the net external force acting on it is zero?

Part C: Matching (10 Questions)

Match each description on the left with the correct term on the right. Select your choice from the dropdown menus.
List of Terms (Match to Descriptions below):
A. Gravity
B. Kinetic
C. Net Force
D. Acceleration
E. Friction
F. Kilogram
G. Buoyant Force
H. Vacuum
I. Power
J. Speed
21. To speed up, slow down, or change directions.
22. The rate at which an object covers distance.
23. Force that acts to resist sliding motion between surfaces.
24. The basic SI unit used to measure mass.
25. Upward force exerted by a fluid on an object floating in it.
26. Space entirely empty of matter, presenting zero air friction.
27. Rate at which work is done or energy is transformed.
28. The vector sum of all forces working on a single object.
29. Attractive force between any two objects that have mass.
30. Type of mechanical energy possessed by an object in motion.

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    Force and Motion are two closely related concepts in physics that describe how objects move and why they move.

    What is Force?

    A force is a push or a pull acting on an object. Forces can make an object:

    • Start moving
    • Stop moving
    • Speed up
    • Slow down
    • Change direction
    • Change shape

    Force is measured in newtons (N).

    Some common examples of forces include:

    • Gravity – pulls objects toward the Earth.
    • Friction – opposes motion between two surfaces.
    • Applied force – a push or pull by a person or object.
    • Air resistance – slows down objects moving through the air.

    What is Motion?

    Motion is the change in the position of an object over time. An object is in motion if it moves from one place to another.

    Motion can be:

    • Linear motion – moving in a straight line.
    • Circular motion – moving in a circle.
    • Rotational motion – spinning around an axis.

    Motion is described by:

    • Distance – how far an object travels.
    • Speed – how fast an object moves.
    • Velocity – speed in a specific direction.
    • Acceleration – the rate at which velocity changes.

    Relationship Between Force and Motion

    Force and motion are connected because a force can change the motion of an object. If no unbalanced force acts on an object, it will continue moving at the same speed and in the same direction, or remain at rest.

    Examples:

    • Kicking a football applies a force that makes it move.
    • Braking a bicycle applies a force that slows it down.
    • A car turning a corner changes direction because of the force between the tires and the road.

    Force, Mass, and Acceleration

    A greater force causes a greater change in motion (acceleration), while a greater mass requires more force to produce the same acceleration.

    Everyday Examples

    • Pushing a shopping cart: The harder you push, the faster the cart moves.
    • Throwing a ball: Your hand applies a force that sends the ball through the air.
    • Cycling uphill: More force is needed to overcome gravity.
    • Sliding a book across a table: Friction slows the book until it stops.

    Key Points

    • Force is a push or pull that can change an object's motion.
    • Motion is the movement of an object from one position to another.
    • Unbalanced forces cause changes in speed or direction.
    • Balanced forces do not change an object's motion.
    • Force is measured in newtons (N), while motion is described using distance, speed, velocity, and acceleration.

    In simple terms: Force is what causes objects to move or change their motion, while motion is the movement that results from the action of forces.

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