The mechanical advantage of a machine is the number of times a ma-chine increases

a. the distance an object is moved.

b. the amount of friction.

c. the change in direction.

d. the force exerted on the machine.

What is the normal force of a 10kg bloch sitting at rest on a table

The property of matter that resists changes in motion is

Which describes a force acting on an object?

What led kepler to abandon circular orbits and his discovery that planetary orbits are ellipses?

Which of the following is a disadvantage associated with scientific advances? a. decreased urbanization b. increased energy efficiency c. increased waste production d. increased renewable resource use

A bullet is accelerated down the barrel of a gun by hot gases produced in the combustion of gun powder. What is the average force exerted on a 0.0300-kg bullet to accelerate it to a speed of 600 m/s in a time of 2.00 ms (milliseconds) ?

Why are the sedimentary layers at capitol reef tilted?

What do we call it when an object exerts force on another for a short period of time? * Momentum Work Impulse Friction

Why is flammability a chemical property?

Luke pulls a sled using a force of 65 N for a distance of 25 m across level ground. The rope Luke pulls forms an angle of 25° with the ground. About how much work does Luke do on the sled? 250 J 690 J 1,500 J 1,600 J