How are electromagnets and bar magnets alike and how are they different ?

Simple machines can a. increase force only b. decrease force only c. increase or decrease force

The combining of light nuclei is called blank. blank as in not actually blank. you know what im tryin to say.

The particle p starts from rest at point a at time t = 0 and changes its speed thereafter at a constant rate of 2.8g as it follows the horizontal path shown. determine the magnitude and direction of its total acceleration (a) just before point b, (b) just after point b, and (c) as it passes point c. state your directions relative to the x-axis shown (ccw positive) and choose the angle with the smallest magnitude.