PhysicsEquations&Relationships

Question 1

What concept describes the change in the velocity with time? What is the equation?

Answer 1

Acceleration. average acceleration = Δv/Δt

Question 2

What are the units for acceleration?

Answer 2

m/s^2

meters per second squared

Question 3

What are the units of velocity?

Answer 3

m/s

meters per second

Question 4

What is the acceleration of an object due to gravity?

Answer 4

9.8m/s^2

Question 5

When throwing an object up, will acceleration be positive or negative? What about dropping an object?

Answer 5

Negative because it is going against gravity.
Dropping an object would be positive.

Question 6

What concept equals the product of an applied force times distance? What is the formula?

Answer 6

Work. W is equal to the force, f times the distance, d.
W = fd.
If the force is being exerted at an angle θ to the displacement, the work done is W = fd cos θ.