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Yr 10 Physics Test

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1.
What are some applications of Newton's First Law in car design and safety?
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2.
What is Newton's Second Law?
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3.
Define distance and its unit/s.
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4.
Name some examples of forces.
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5.
How do you calculate acceleration on a velocity time graph?
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6.
What is the difference between mass and weight?
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7.
Define acceleration due to gravity and its acceleration rate.
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8.
How do you calculate distance travelled on a velocity time graph?
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9.
Define speed and its unit/s.
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10.
What is Newton's First Law?
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11.
Define velocity and its unit/s.
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12.
Define the term 'force'.
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13.
What is the equation for calculating force?
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14.
What is an example of Newton's Second Law?
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15.
Define displacement and its unit/s.
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16.
What is Newton's Third Law?
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17.
What is an example of Newton's Third Law?
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18.
What is an example of Newton's First Law?
A.
When a balloon is allowed to deflate, it shoots around the room. This is due to the air pushing out of the balloon backwards while the air pushes the balloon forwards.
B.
For every force there is a force of the same size acting in the opposite direction. This is known as the action-reaction force.
C.
The action of moving something from its place or position. It is measured in metres.
D.
Calculating the area under the graph.
E.
Using the gradient of: change in distance/change in time.
F.
All acceleration requires a force. The bigger the force, the greater the acceleration Mass affects acceleration.
G.
The rate at which someone or something moves or operates or is able to move or operate. It is measured in m/s or km/h.
H.
Seatbelts are used to restrain passengers to reduce inertia. Airbags are also used to prevent a passenger from moving forward due to inertia.
I.
Gravity, friction, drag, air resistance, thrust, magnetic, surface tension, buoyancy, reaction force, lift, weight, electrostatic.
J.
An object at rest will stay that way unless a force acts on it An object in motion will continue to move in the same direction ath the same speed until a force acts on it.
K.
wo people pushing a car will be more effective than just one person pushing it. If the mass of a car is large, the acceleration will be less.
L.
Mass is the measure of matter within an object, and weight is the force of gravity affecting the weight.
M.
The length of the space between two points. It is measured in metres.
N.
If a car is travelling at 60km/h, so are its passengers. If the car is involved in an accident, it will stop very quickly. Passengers not wearing a seatbelt will continue travelling at 60km/h until they either the car or a roadside object.
O.
The speed of something in a given direction.
P.
Force (N) - mass (kg) x acceleration (m/s2) F = ma
Q.
A force is a push, pull or twist that can cause an object to: - Increase is speed (accelerate) - Decrease its speed (decelerate) - Change its direction - Change its shape
R.
The change of velocity genereted on an object due to the force of gravity. Gravity has an acceleration rate of 9.8m/s^2.
Type the Question that corresponds to the displayed Answer.
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19.
Objects tend to keep on doing what they're doing. In fact, ,it is the natural tendency of object to resist changes in their state of motion This tendency to resist changes in their state of motion is described as inertia.
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20.
Acceleration is the rate at which an object changes its velocity.

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