5. Apakah litar yang sesuai digunakan dalam sistem penggera kebakaran? Jelaskan jawapan anda.​

Many machines- including inclined planes such as ramps- increase the strength of the force put into the machine but decrease the distance over which the force is applied.

1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?

The energy released by a nuclear fusion reaction is produced when