Physical Science Final Exam Review

Front

Scalars include _______________________ only.

Back

magnitude

Front

What is the unit for velocity?

Back

m/s

Front

What is the unit for acceleration?

Back

m/s²

Front

Kinematics

Back

The study of the motion of objects without taking into account the forces that cause the motion.

Front

Which of the following is the momentum equation? p = mv, v =
Δx/
Δt, a =
Δv/Δt, a²+b²=c²

Back

p = mv

Front

You are swimming at the beach and swim 300 m South offshore in 110 seconds. The water pushes you an unknown velocity down shore in the West direction. The total average velocity that you are moving is 2.9 m/s SW. How far did the current push you down shore?

Back

108.45m

Front

Force

Back

a push or pull on an object

Front

What is the unit of force?

Back

N

Front

Multiple, simultaneous forces that cancel each other out are called ___________________________ forces.

Back

balanced

Front

Your dog pulls on his leash with a force of 100 N to the left. You pull on the leash with a force of 55 N to the right. What is the net force acting on the leash?

Back

45 N left