Newtons Laws of motion 1 + 2

What is velocity?

• Speed

• Direction

• Time

• Answers 1 and 2

• Answers 2 and 3

What is accelerations

• Change in speed

• Change in direction

• Change in speed and direction at the same time

• All of the above

What is Newtons 1st law

• An object at rest or motion will remain that way unless acted on by an outside force

• Force is equal to mass time acceleration

• Every action has an equal or opposite reaction

• E=mc^2

A force that opposes the motion of an object is:

• Coefficient of Friciton

• Frictional Force

• Support Force

• Gravity

What equation is associated with Newton’s 2nd law?

• E=mc^2

• W=mg

• F=ma

• F=mg

Mass is a constant value

• True

• False

Weight is a constant value.

• True

• False

A balanced force has a net force of:

• Zero

• Any non-zero positive number

An unbalanced force has a net force of:

• Zero

• Any non-zero positive number

A block has a 6N force applied to it moving to the right. It accelerates at a rate of 2m/s^2. What is the blocks mass?

• 3kg

• 12kg

• 0.33kg

• None of the above