Work, Simple Machines & Me The image below shows a wedge, which is a type of simple machine,
10 am
Which of the following is the correct way to calculate the mechanical advantage of this wedge?
OA 10 cm - 38 cm = 0.26
OB. 38 cm - 10 cm = 3.8
C. 38 cm - 10 cm = 28 cm
OD 38 cm + 10 cm = 48 cm

What defines the mass number of an isotope? a. the sum of the neutrons and protons b. the sum of the neutrons and electrons c. the number of neutrons d. the number of protons

When a bicycle coasts uphill, it moves slower and slower as it climbs. why? a. its kinetic energy is transforming into heat energy. b. its potential energy is transforming into kinetic energy. c. its kinetic energy is transforming into potential energy and heat energy. d. its potential energy is transforming into kinetic energy and heat energy.

An open cart is moving along a straight frictionless horizontal track. when rain starts falling vertically into the cart, what happens to the speed of the cart?