Force in Motion

If these boys are pulling with the same amount of force.  What will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.

A train that travels 100 kilometers in 4 hours is traveling at what average speed? Remember: Speed= distance/time

• 50 km/h
• 100 km/h
• 400 km/h
• 25 km/h

Which force produces a change in motion?

• unbalanced force
• balanced force
• gravitational force
• frictional force

What is the formula for force?

• F=M/A
• F=A/M
• F=M*A
• F=M*F

When you tell the direction and speed of an object, you give its

• motion
• velocity
• acceleration
• mass

Which of the following statements is true? 

• Balanced forces cause a change in motion. 
• Unbalanced forces cause a change in motion. 
• Forces do not effect the change in motion. 

If a 10 kilogram object accelerates suddenly at 15 m/s², how much force was applied to the object?

• 150 Newtons
• 15 Newtons
• 150 kilograms
• 100 kilograms

Speed is different from velocity because

• Velocity has a direction
• Speed uses Distance /Time
• Velocity doesn't include time
• Velocity doesn't include distance

When you slide a box across the floor, what force must your push be stronger than?

• Support Force

• Friction Force

• Gravity

• Air resistance

A force is described as . . .

• a push only

• a pull only

• a push or a pull

• none of the above