Forces Flashcards

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1
Q

What are the types of forces?

A

Thrust, Air resistance and torque.

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2
Q

What is thrust?

A

It increases the velocity of an object.

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3
Q

What is air resistance?

A

It decreases the velocity of an object.

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4
Q

What is torque?

A

It changes the rotation of an object.

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5
Q

What happens when the masses get larger?

A

The gravitational force gets larger between them.

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6
Q

What is electrostatic force?

A

A force that acts between two charges.

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7
Q

What is the same as the direction of the object’s acceleration?

A

The direction of the unbalanced force.

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8
Q

What is the unit of force?

A

Newton (N)

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9
Q

What does ‘F’ stand for?

A

Unbalanced force

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10
Q

What does ‘M’ stand for?

A

Mass

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11
Q

What does ‘A’ stand for?

A

Acceleration

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12
Q

What is another common force?

A

Friction

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13
Q

What is friction?

A

Friction is a force that opposes motion.

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14
Q

How to you work out the resultant force?

A

An object may have several different forces acting on it, which can have different strengths and directions. But they can be added together to give the resultant force.

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15
Q

If the resultant force was zero what would the moving objects speed be?

A

The moving object would stay the same speed.

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16
Q

What is force measured in?

A

Newtons

17
Q

What is mass measured in?

A

Kilograms

18
Q

What is acceleration measured in?

A

metres per second squared

19
Q

What is weight?

A

A force acting on matter.