If a lever system has an output force (load) of 20 kg and an input force (Effort) of 100 kg, the mechanical advantage of this lever is:

A. 2000

B. 0.2

C. 0.5

D. 5

A man hits golf ball (2kg) which accelerates at a rate of 20 m/s/s what amount of force acted on the ball

Calculate the kinetic energy of an 84-kg scooter moving at 18 m/s.

Which condition will cause the pressure exerted by a gas in a closed container to increase? a. an increase in volume b. an increase in temperature c. a decrease in molecular movement d. a decrease in the number of gas molecules

Tobacco use can negatively impact a person's health, family, and finances. True or false

A small kid sits on a bike (Anita). A bigger and stronger person (Jamy) pushing the kid so that the kid starts speeding up. (neglect friction). Mark all correct statements about the forces between them. A.

True or false the molecular formula for ibuprofen is the same as the empirical formula

a car moves from a to b at a speed of 50km per hr and comes back from b to a at a speed of 30km per hour. find its average speed during the journey

In which of the following can you not find plasma

The conservation of energy covers all types of energy. This lesson has only provided a handful of examples of it. To be more convinced that it works in another context, devise an experiment to evaluate the conservation of energy.

Which technology category would NOT likely be the subject of a standard published by the International Electrotechnical Commission (IEC) ? A. Semiconductors B. Solar energy C. Encryption D. Consumer appliances