What type of weather would be in the middle of the picture, where the barometric pressure is 1000 millibars?
a. sunny day
b. clear skies
c. rain or snow
d. any of the above

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.

Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?