If a car is to gain momentum, it must
An 800 kgs. fireman slides down a pole in a fire station. His grip on the pole causes a frictional force of 240 newtons opposing his fall. What is the approximate value of his acceleration towards the floor below?
We know that forces are vectors because
The algebraic sign of acceleration depends on
Which of the following is not accelerated?
A rope attached to a post in the ground is pulled horizontally with a force of 80 kg. The pole pulls back with a force of
A car accelerates for 10s at 6 m/s2. What is its final seed if its initial was 4 m/s?
A force of 100 dynes acts for 10 seconds on a body of mass500g. What is the change in momentum?
When a body is accelerated
Which of the following vector quantities? I. Density II. Acceleration III. Energy IV. Force
Facebook Comments
