The following four objects sit on a table on earth. which experiences the greatest normal force from the table?
a. a book weighing 2 n
b. a mug with a mass of 250 g
c. a metal pen with a mass of 0.3 kg
d. a calculator experiencing a gravitational force of 3.5 kg m/s2

Which statements about tornadoes are true? check all that apply. (a) about 12,000 tornadoes hit the united states every year. (b) a tornado looks like a funnel. (c) tornadoes are deadly atmospheric storms that cause millions in damages each year. (d) tornadoes can reach wind speeds of more than 300 miles per hour. (e) kansas is the state with the most tornadoes. (f) you will always notice a funnel before a tornado strikes.

It is really hard for me right know

Auniform crate c with mass mc is being transported to the left by a forklift with a constant speed v1. what is the magnitude of the angular momentum of the crate about point a, that is, the point of contact between the front tire of the forklift and the ground