P2: Resultant Forces Flashcards

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1
Q

What can force affect?

A

The shape of an object, its state of rest or its motion.

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2
Q

Newton

A

(N) the unit of force. (10N-1kg)

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3
Q

Resultant Force

A

The combined effect of the forces acting on an object.

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4
Q

When the resultant force acting on an object is zero…

A

It either remains stationary or Continues to move at a constant speed.

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5
Q

When the resultant force on an object is not zero…

A

The movement of an object depends on the size and direction of the resultant force.

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6
Q

The Parallelogram of forces

A

Used to fine the resultant force of two forces that do not act along the same line.

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7
Q

resultant force=

A

Mass x Acceleration

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8
Q

How can an object be accelerating but also moving at a constant speed?

A

If an object is moving at a constant speed, but always changing direction, then it has a velocity rather than a speed.

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9
Q

Formula for finding the Parallelogram of Forces

A

(sine of opposite angles)

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