Forces Review - Unit 1 Physics

If the net force of the diagram below is 50 N upwards, what is the value of B?

• 0 N

• 50 N

• 80 N

• 100 N

What is the relationship between Gravitational Force and the distance between a planet and its moon?

• Direct relationship

• Inverse square relationship

• They aren't related

• They're based on the theory of relativity

A 1300 kg hippopotamus is running at a constant speed of 13 m/s along a perfectly straight riverbank. What is the net force acting on the hippo?

• 0 N

• 9.8 N

• 16900 N

• 100 N

Which of the following can cause acceleration (change in speed or change in direction)?

• Inertia

• Velocity

• Force

• Equilibrium

Which of these two pairs of planets experiences stronger gravitational forces?

• A

• B

• Neither, they have the same amount of force

• Not enough info

If the net force of the diagram below is 50 upwards, what is the value of A?

• 0 N

• 50 N

• 80 N

• 20 N

What is the value of the net force for this FBD?

• 0 N

• 23 N

• 12 N

• 9 N

A cheetah with an unknown mass is accelerating at a constant rate of 13 m/s² while traveling in a straight line chasing a gazelle. They produce a force of 871 N while running. What is the mass of the cheetah?

• 0 kg

• 67 kg

• 11323 kg

• 871 kg

Which variable is measured in newtons?

• Mass

• Acceleration

• Velocity

• Force

Which FBD correctly represents a marker flying through the air at a student that Ms. Darveau is trying to wake up? (Assume that she has already let go of the marker, and that there is no air resistance)

• 
• 
• 
• None of these