Forces and Motion

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Gravity, Weight, and Mass

Subtopic

Gravity, Weight, and Mass under Forces and Motion for Grade 6 IGCSE.

Preview questions (no answers)

1.
$Which quantity is measured in Kilograms?$
A. $Force$
B. $Weight$
C. $Mass$
D. $Pressure$
2.
$Which of the following would NOT affect the weight of an object?$
A. $The mass of the object$
B. $The strength of the gravitational field$
C. $The color of the object$
D. $The mass of the planet it is on$
3.
$If an object is weightless in space, does it still have mass?$
A. $No, mass and weight are the same$
B. $Yes, because it still consists of matter$
C. $No, because mass is caused by gravity$
D. $Only if it is moving$
4.
$Which planet would likely have the strongest gravitational pull?$
A. $A small rocky planet like Mars$
B. $A tiny dwarf planet like Pluto$
C. $A massive gas giant like Jupiter$
D. $The Earth's Moon$
5.
$A student has four objects with the following masses. Which one will experience the largest gravitational force on Earth?$
A. $2000\text{ g}$
B. $5\text{ kg}$
C. $0.5\text{ kg}$
D. $4500\text{ g}$
6.
$If Earth's mass suddenly increased, what would happen to your weight?$
A. $Your weight would increase$
B. $Your weight would decrease$
C. $Your weight would stay the same$
D. $Your weight would become zero$
7.
$Which force is responsible for keeping the Moon in orbit around the Earth?$
A. $Friction$
B. $Magnetism$
C. $Gravity$
D. $Air pressure$
8.
$1\text{ meter}$
A. $The force exists but is so small it cannot be felt.$
B. $There is no gravitational force between them because they are not planets.$
C. $The force is only present if they are in a vacuum.$
D. $The force is repulsive because they have the same type of mass.$
9.
$10\text{ kg}$
A. $50\text{ N}$
B. $10\text{ N}$
C. $2\text{ N}$
D. $5\text{ N}$
10.
$Two different masses are dropped in a vacuum chamber on Earth. Which of the following is true?$
A. $They have the same acceleration.$
B. $The heavier mass has a greater acceleration.$
C. $The lighter mass has a greater acceleration.$
D. $They both have zero acceleration because they are in a vacuum.$

Download the worksheet for Forces and Motion - Gravity, Weight, and Mass to practice offline. It includes additional chapter-level practice questions.

Friction and Air Resistance

Subtopic

Friction and Air Resistance under Forces and Motion for Grade 6 IGCSE.

About Topic & Revision

Preview questions (no answers)

1.
$Which of the following is true about friction?$
A. $It only happens between two solids$
B. $It always speeds things up$
C. $It can occur in liquids and gases too$
D. $It is a force that pulls objects toward the Earth$
2.
$Why are the bottoms of bathtub mats usually rough or have suction cups?$
A. $To make the water cleaner$
B. $To increase friction and prevent slipping$
C. $To reduce the amount of water used$
D. $To make the bathtub look better$
3.
$What is the force that acts against a boat moving through the water?$
A. $Water resistance$
B. $Gravity$
C. $Magnetism$
D. $Upward thrust$
4.
$If you are riding a bicycle, what is the main force you are fighting against when you cycle into a strong wind?$
A. $Magnetism$
B. $Gravity$
C. $Air resistance$
D. $Static electricity$
5.
$A student pushes a toy car across four different floors with the same starting force. On which floor will the car travel the SHORTEST distance?$
A. $A tiled kitchen floor$
B. $A thick, shaggy carpet$
C. $A polished wooden hallway$
D. $A smooth vinyl floor$
6.
$Which of the following is an example of streamlining?$
A. $A bird tucking its wings during a dive$
B. $A person opening an umbrella in the wind$
C. $A car with a flat, vertical trailer$
D. $A rough surface on a tennis ball$
7.
$A heavy box is much harder to start moving than it is to keep moving once it has started. This is because:$
A. $Gravity only acts when the box is still$
B. $Air resistance is higher when the box is still$
C. $Static friction is usually stronger than sliding friction$
D. $The box loses mass as it moves$
8.
$A fish's body is streamlined. This is an adaptation to overcome which force?$
A. $Water resistance (drag)$
B. $Gravity$
C. $Upthrust$
D. $Magnetism$
9.
$If you push a heavy crate but it does not move, what can you conclude about the friction force?$
A. $The friction force is equal and opposite to your push$
B. $There is no friction force until the crate moves$
C. $The friction force is greater than your push$
D. $The friction force is less than your push$
10.
$What type of friction acts on a ball rolling across a grass field?$
A. $Rolling friction$
B. $Static friction$
C. $Air resistance only$
D. $Sliding friction$

Download the worksheet for Forces and Motion - Friction and Air Resistance to practice offline. It includes additional chapter-level practice questions.

Balanced and Unbalanced Forces

Subtopic

Balanced and Unbalanced Forces under Forces and Motion for Grade 6 IGCSE.

About Topic & Revision

Preview questions (no answers)

1.
$If a rocket is hovering perfectly still above the ground, the upward thrust is ________ the downward pull of gravity.$
A. $Greater than$
B. $Less than$
C. $Equal to$
D. $Half of$
2.
$200\ N$
A. $50\ N$
B. $350\ N$
C. $200\ N$
D. $150\ N$
3.
$Which of the following is NOT an effect of a force?$
A. $Making an object start moving$
B. $Making an object change direction$
C. $Making an object change mass$
D. $Making an object stop moving$
4.
$When you drop a feather, it falls slowly because of the upward force of:$
A. $Gravity$
B. $Air resistance$
C. $Magnetism$
D. $Weight$
5.
$When you sit on a chair, you don't fall through it because:$
A. $The chair exerts an upward force equal to your weight.$
B. $There is no gravity acting on you when you sit.$
C. $Your weight becomes zero when you are stationary.$
D. $The chair is harder than you.$
6.
$45\text{ N}$
A. $90\text{ N}$
B. $45\text{ N}$
C. $0\text{ N}$
D. $The box will move to the left.$
7.
$50\text{ N}$
A. $80\text{ N}$
B. $20\text{ N}$
C. $20\text{ N}$
D. $0\text{ N}$
8.
$A metal ball is held between two identical magnets that pull it in opposite directions with equal force. If the ball is then nudged slightly closer to the left magnet, what happens?$
A. $The forces remain balanced.$
B. $The left magnet's force increases, creating an unbalanced force that pulls the ball left.$
C. $The right magnet's force increases to restore balance.$
D. $The ball will vibrate between the two magnets.$
9.
$A student claims that since a satellite is moving at a constant speed in a circular orbit, the forces on it must be balanced. Why is this student incorrect?$
A. $The satellite is in a vacuum, so there are no forces.$
B. $The direction of the satellite is changing, which means it is accelerating.$
C. $Gravity is the only force, and it is always balanced by the speed.$
D. $The student is correct; the forces are balanced.$
10.
$An object's inertia is directly related to its:$
A. $Weight$
B. $Speed$
C. $Mass$
D. $Volume$

Download the worksheet for Forces and Motion - Balanced and Unbalanced Forces to practice offline. It includes additional chapter-level practice questions.

Calculating Speed

Subtopic

Calculating Speed under Forces and Motion for Grade 6 IGCSE.

About Topic & Revision

Preview questions (no answers)

1.
$To calculate average speed, you need the ________ distance and the ________ time.$
A. $minimum, maximum$
B. $total, total$
C. $starting, ending$
D. $vertical, horizontal$
2.
$200\text{ km}$
A. $150\text{ hours}$
B. $250\text{ hours}$
C. $4\text{ hours}$
D. $10000\text{ hours}$
3.
$8\text{ m/s}$
A. $13\text{ meters}$
B. $3\text{ meters}$
C. $40\text{ meters}$
D. $1.6\text{ meters}$
4.
$60\text{ meters}$
A. $360\text{ m/s}$
B. $10\text{ m/s}$
C. $54\text{ m/s}$
D. $66\text{ m/s}$
5.
$A toy car travels along a straight track. The diagram shows the distance markers and the time shown on a stopwatch as the car passes two different points. What is the average speed of the car as it travels from Point A to Point B?$
A. $3.3\text{ m/s}$
B. $5.0\text{ m/s}$
C. $4.0\text{ m/s}$
D. $4.2\text{ m/s}$
6.
$100\text{ m}$
A. $2\text{ m/s}$
B. $5\text{ m/s}$
C. $50\text{ m/s}$
D. $5,000\text{ m/s}$
7.
$Which of these represents a speed?$
A. $10\text{ meters}$
B. $10\text{ seconds}$
C. $10\text{ m/s}$
D. $10\text{ kilograms}$
8.
$If speed is defined as distance divided by time, which change would result in the speed of an object doubling?$
A. $Doubling the distance and doubling the time$
B. $Halving the distance and halving the time$
C. $Doubling the distance and halving the time$
D. $Keeping distance the same and doubling the time$
9.
$120\text{ km}$
A. $13.33\text{ m/s}$
B. $48.00\text{ m/s}$
C. $15.50\text{ m/s}$
D. $12.00\text{ m/s}$
10.
$4.5 \times 10^4\text{ m/s}$
A. $90\text{ meters}$
B. $9,000\text{ meters}$
C. $0.9\text{ meters}$
D. $9\text{ meters}$

Download the worksheet for Forces and Motion - Calculating Speed to practice offline. It includes additional chapter-level practice questions.

Forces and Motion

Gravity, Weight, and Mass

❓Preview questions (no answers)

Friction and Air Resistance

❓Preview questions (no answers)

Balanced and Unbalanced Forces

❓Preview questions (no answers)

Calculating Speed

❓Preview questions (no answers)

Preview questions (no answers)

Preview questions (no answers)

Preview questions (no answers)

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