A force of 100 dynes acts for 10 seconds on a body of mass500g. What is the change in momentum?
Which of the following is not accelerated?
A car accelerates for 10s at 6 m/s2. What is its final seed if its initial was 4 m/s?
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?
The algebraic sign of acceleration depends on
Which of the following vector quantities? I. Density II. Acceleration III. Energy IV. Force
We know that forces are vectors because
When a body is accelerated
If a car is to gain momentum, it must
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
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