| Quiz | Forces |
|---|---|
| Name | |
| Result | FAILED |
| Score | 55 / 85 (64.7%) |
| Passing score | 68 |
| Quiz took | 58 min 43 sec |
| Quiz finished at | 2023-02-02 11:58:39 |
The purple section of this velocity-time graph represents
Temperature is a ______ quantity
Acceleration is ________ to the mass of an object
The red section of this velocity-time graph represents
A 1500 kg car with velocity 10 m/s collides into the back of a 2000 kg van which is travelling at a velocity of 5 m/s, in the same direction. After the collision, the final velocity of the car is 8 m/s in the same direction as it was travelling to begin with. Calculate the final velocity of the van.
Objects which are more dense than the fluid they are in
On a velocity-time graph, the ___________ represents the magnitude of the acceleration.
The motion of a bumble bee is shown in the velocity-time graph. For how long was the bumble bee travelling at a constant velocity?
The blue section of this velocity-time graph represents
This graph represents Tim’s distance from home on a bike ride. Along the journey Tim stopped for a rest. How many minutes did Tim rest for?
The 'ruler drop test' is a way to test
When two objects interact, the forces they exert on each other are equal and opposite is Newton's
The typical speed of a train would be
________________ states that whenever two objects interact, the forces they exert on each other are equal and opposite.
Newton's first law states that objects without any resultant force on them will
For a falling object, terminal velocity is reached when
A longer spanner will _____ the required force
This graph represents Tim’s distance from home on a bike ride. How far had Tim cycled in the first 30 minutes?
On a distance-time graph straight uphill sections represent
Vector quantities all have
Atmospheric pressure _______ as your height increases
The typical speed of a cyclist would be
Terminal velocity occurs when drag forces are _________ weight
Thinking distance is not affected by
On a distance-time graph flat sections represent
On a velocity-time graph the gradient represents
Calculate the pressure created by a 40 m depth of water, given the density of water is 1000 kg/m3 and gravity is 9.8 N/kg.
Speed is a ______ quantity
The purple section of this distance-time graph represents
On a distance-time graph, the ___________ represents the speed.
Calculate the distance travelled by a motorbike accelerating at 7.5 m/s2, from 10 m/s to 20 m/s.
Mass is a ______ quantity
Objects that do not return to their original shape are known as
Gravitational force is a ________ force
Braking distance is not affected by
Distance is a ______ quantity
Acceleration is a ______ quantity
On a velocity-time graph straight uphill sections represent
Newton's first law states that objects with a resultant force on them will
Terminal velocity is moving with
Alice drove to a museum. After browsing the exhibition, Alice drove back home. Using the information from the graph, determine how long Alice stayed at the museum.
This affects both thinking distance and braking distance
The motion of a bumble bee is shown in the velocity-time graph. Determine the acceleration of the bumble bee in the first 10 seconds.
__________ is a force that always opposes motion.
The green section of this distance-time graph represents
The green section of this velocity-time graph represents
Friction is a ________ force
Momentum is a ______ quantity
The typical speed of a person running would be
Calculate the density of a chemical solvent, where there is a pressure of 294 kPa at a depth of 15 m. You may assume g = 9.8 N/kg.
The typical speed of a person walking would be
On a velocity-time graph straight downhill sections represent
Objects that can return to their original shape are known as
The red section of this distance-time graph represents
For a fixed resultant force, an object of a greater mass will accelerate
On a velocity-time graph, the ___________ represents the distance travelled.
________________ states that objects with zero resultant force acting upon them are in equilibrium and will continue to move at the same velocity or remain stationary.
The rate of change of momentum is equal to
Electrostatic force is a ________ force
On a velocity-time graph, a steeper graph means greater
The motion of a bumble bee is shown in the velocity-time graph. Determine the distance travelled by the bumble bee.
_______ transmit rotational effects of forces from one place to another
Crumple zones, air bags and seat belts all work by
Inertia is when motion
Displacement is a ______ quantity
On a velocity-time graph flat sections represent
On a distance-time graph the gradient represents
Magnetic force is a ________ force
Moments are
Force is a ______ quantity
Gravity causes
This graph represents Tim’s distance from home on a bike ride. How far did Tim travel in total?
Time is a ______ quantity
Which of these is not a car safety feature?
The blue section of this distance-time graph represents
________________ states that the extension of a spring is directly proportional to the force applied, provided that the limit of proportionality is not exceeded.
Velocity is a ______ quantity
Extension is directly proportional to the force applied
The typical speed of a plane would be
On a velocity-time graph, you can find the distance travelled by looking at
Friction increases as velocity
When stepping out of a plane, a skydiver's acceleration is roughly
Work done means
The typical speed of a car would be
As you blow into a balloon, pressure increase because the particles ______ the inside of the balloon