| Quiz | Forces |
|---|---|
| Name | |
| Result | PASSED |
| Score | 72 / 85 (84.7%) |
| Passing score | 68 |
| Quiz took | 1 h 1 min 42 sec |
| Quiz finished at | 2024-12-28 20:31:37 |
Time is a ______ quantity
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.
Friction is a ________ force
________________ states that the extension of a spring is directly proportional to the force applied, provided that the limit of proportionality is not exceeded.
Braking distance is not affected by
On a velocity-time graph, you can find the distance travelled by looking at
When stepping out of a plane, a skydiver's acceleration is roughly
On a velocity-time graph, the ___________ represents the magnitude of the acceleration.
The typical speed of a train would be
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 green section of this distance-time graph represents
Friction increases as velocity
The blue section of this distance-time graph represents
Speed is a ______ quantity
Force is a ______ quantity
The blue section of this velocity-time graph represents
The typical speed of a car would be
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.
Displacement is a ______ quantity
As you blow into a balloon, pressure increase because the particles ______ the inside of the balloon
The typical speed of a cyclist would be
On a distance-time graph, the ___________ represents the speed.
Atmospheric pressure _______ as your height increases
Newton's first law states that objects with a resultant force on them will
Acceleration is ________ to the mass of an object
Work done means
Which of these is not a car safety feature?
The 'ruler drop test' is a way to test
Momentum is a ______ quantity
Magnetic force is a ________ force
The red section of this velocity-time graph represents
_______ transmit rotational effects of forces from one place to another
Temperature is a ______ quantity
When two objects interact, the forces they exert on each other are equal and opposite is Newton's
Moments are
Acceleration is a ______ quantity
Thinking distance is not affected by
________________ states that whenever two objects interact, the forces they exert on each other are equal and opposite.
The typical speed of a person running would be
The purple section of this velocity-time graph represents
On a velocity-time graph straight downhill sections represent
Objects which are more dense than the fluid they are in
Terminal velocity is moving with
On a distance-time graph straight uphill sections represent
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.
Inertia is when motion
On a velocity-time graph flat sections represent
Distance is a ______ quantity
Mass is a ______ quantity
Calculate the distance travelled by a motorbike accelerating at 7.5 m/s2, from 10 m/s to 20 m/s.
Vector quantities all have
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 red section of this distance-time graph represents
For a falling object, terminal velocity is reached when
The motion of a bumble bee is shown in the velocity-time graph. Determine the distance travelled by the bumble bee.
Extension is directly proportional to the force applied
The purple section of this distance-time graph represents
On a velocity-time graph, a steeper graph means greater
For a fixed resultant force, an object of a greater mass will accelerate
This graph represents Tim’s distance from home on a bike ride. How far did Tim travel in total?
________________ 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.
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 plane would be
Velocity is a ______ quantity
The typical speed of a person walking would be
On a velocity-time graph straight uphill sections represent
Objects that can return to their original shape are known as
Objects that do not return to their original shape are known as
Newton's first law states that objects without any resultant force on them will
On a velocity-time graph, the ___________ represents the distance travelled.
On a distance-time graph the gradient represents
Gravitational force is a ________ force
This affects both thinking distance and braking distance
Gravity causes
Crumple zones, air bags and seat belts all work by
The green section of this velocity-time graph represents
__________ is a force that always opposes motion.
The rate of change of momentum is equal to
Terminal velocity occurs when drag forces are _________ weight
A longer spanner will _____ the required force
On a distance-time graph flat sections represent
This graph represents Tim’s distance from home on a bike ride. How far had Tim cycled in the first 30 minutes?
Electrostatic force is a ________ force
On a velocity-time graph the gradient represents
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.