D increases
unchanged
26) A student tries to magnetize a short steel rod.
Which of these tests will show that he has been successful?
А both ends of a permanent magnet attract the rod
B one end of a permanent magnet repels the rod
С the rod picks up a small piece of paper
D when freely suspended, the rod points in any direction
I

Suppose you use a machine that gives you a mechanical advantage of 2 to achieve an output force of 30newtons what must the input force be

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer

Will mark as brainliest how does a catapult increase the trajectory of an object? ps. answer as if u were a 5th grader