What advice would a personal trainer give you before a workout?

A book is on the table. If the weight of the book is 25 newtons, what is the magnitude and direction of the normal force?

What are 2 types of force fields

A photon with a wavelength of 2.29x10^-7 meters strikes a mercury atom in the ground state. the photon can be absorbed by the mercury atom because it will accommodate an energy level jump to

Which of the following surfaces reflects the most light? A. plastic cards B. aluminum foil C. wood shingles D. ceramic tiles

A volcano launches a lava bomb straight upward with an initial speed of 28m/s. Taking upward to be the positive direction, find speed and direction of motion of the lava bomb. a) 2.0seconds and b) 3.0seconds after it is launched

perature is 0◦F. How much taller is the building when the temperature is 107◦F? The linear expansion coefficient of steel is 1.1 * 10-5 (◦C) - 1.

A weightlifter lifted 800 Newtons to a height of 2.5 meters. What is the power output if this was done in 1.22 seconds?

What conditions must be present for a translational and rotational equilibrium of a rigid body?

In objects motion will not change is the force is acting on the object are blank

How fast or slow an object is moving and in what direction