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GCSE Triple and Double Science > PHYSICS END OF UNIT 1 GCSE YR 10 TEST > Flashcards

PHYSICS END OF UNIT 1 GCSE YR 10 TEST Flashcards

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1
Q

What is distance?

A

Distance is how far an object moves. Distance does not involve direction

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2
Q

What is displacement ?

A

It includes both the distance an object moves, measured in a straight line from the start point to the finish point and the direction of that straight line

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3
Q

What are scalars?

A

They are physical quantities that have size/magnitude but no direction

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4
Q

What are vectors?

A

Physical quantities that have size/magnitude and direction

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5
Q

What is the formula for speed?

A

Speed=distance divided by time

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6
Q

What is the formula for velocity?

A

V=displacement divided by time

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7
Q

What is the formula for force?

A

Force=mass x acceleration

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8
Q

Distance is a scalar, therefore so is…

A

Speed

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9
Q

Displacement is a vector, therefore so is…

A

Velocity

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10
Q

Force is a

A

Vector quantity

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11
Q

What can a force do?

A

. A force can move an object
. It can change the shape of something
. A force can change motion

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12
Q

List some contact forces

A

. Air resistance
. Friction
. Stretching(tension)

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13
Q

List some non-contact forces

A

. Gravity
. Magnetic force
. Electrostatic force

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14
Q

What is the formula for moments?

A

Moment(Nm) = Force(N) x Distance(m)

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15
Q

What is the moment of a force?

A

The moment is the turning effect of a force

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16
Q

What is the law of moments?

A

Sum of clockwise moments= sum of anti-clockwise movement
This means
F1 x d1 = F2xd2

17
Q

What can gears do?

A

Like levers, gears can transmit turning forces.

They can transfer turning effects whilst increasing them or decreasing them.

18
Q

What is another formula for moments?

A

Moment = Force x Gear radius

19
Q

What is inertia?

A

It is the object to oppose the change in motion. The more inertia something has, the harder it is to get it going/moving

20
Q

What is a machine?

A

It is an apparatus using mechanical power and having several parts, each with a definite function which together perform a particular task.

21
Q

What is velocity?

A

The speed of something in a given direction

22
Q

What is meant by a resultant force?

A

The overall force exerted on an object

GCSE Triple and Double Science (11 decks)

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