Exam 2: Newtons Laws

Just above the surface of the Earth,the direction of the gravitational field is away from the Earth.

The mass of a body on the Moon is _______________ the mass of the same body on Earth.

As you go higher and higher above the surface of the Earth,the acceleration of a freely falling body __________.

When a car goes around a curve at twice the speed,the centripetal force on the car doubles.

You whirl a 2-kg body attached to a 1-meter cord around your head in a nearly horizontal circle with a speed of 4 m/s.The tension in the cord is

A newton is larger than a pound.

The major influence on the tides is due to __________.

Starting from rest,a 2-kg body acquires a speed of 8 m/s in 2 seconds.The net force acting on the body is

Gravity acts over a limited distance range.