Speed, Acceleration, Force, Friction and Gravity

If there are two forces going in the same direction how would you find the net force?

• Subtract
• Add
• Neither
• Multiply

With unbalanced forces, the object will move in the direction of the _______ force.

• larger 
• smaller 
• equal 

Forces that have a net force of zero ( the object is still).

• Balanced force
• Unbalanced force

Calculate the net force shown in the  diagram?

• 0N
• 400 N
• 600 N
• 800 N

Calculate the net force shown in the  diagram?

• 41 N
• 25 N
• 16 N
• 9 N

How do you find the net force of this image.

• Add up all the arrows

• Add a green arrow and the orange arrow.

• Subtract all the arrows.

• Add the green arrows and subtract the orange arrow.

How do you find the net force of this image.

• Add up all the arrows

• Add a green arrow and the orange arrow.

• Subtract all the arrows.

• Add the green arrows and subtract the orange arrow.

What is the formula to calculate speed?

• S = t/d
• S = d/t
• S = d x t
• S = t x d

A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?

• 10 m/s

• 1000 m/s

• 100 seconds

• 10 seconds

A negative acceleration means that your object is _____. 

• not accelerating
• not moving
• speeding up 
• slowing down