(mass 65kg) stands on a scale (calibrated in newtons) in a lift. 1. What is the reading on the scale when lift is stationary?

2.what will be the reading on the when the lift moves upwards at a constant velocity of 3m. s‐¹​

Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

Karen is running forward at a speed of 9 m/s. she tosses her sweaty headband backward at a speed of 20 m/s. the speed of the headband, to the nearest whole number relative to a stationary observer watching karen