WAEC WASSCE Uniform Circular Motion and Gravitation — practice questions
28 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice WAEC WASSCE Uniform Circular Motion and Gravitation in the app →In rotational motion, the rotation angle plays the same role as which linear quantity?What does the arc length measure for an object moving on a circle?In which unit is angular velocity expressed?Two wheels turn for the same time, but one sweeps a larger angle. What follows?A car rounds a bend at a steady speed. Why is it still accelerating?Acceleration is defined as a change in velocity of which kind?In which direction does centripetal acceleration point?What name is given to any net force that causes uniform circular motion?How is a centripetal force oriented relative to the object's path?In which direction does the centripetal force on a body act?A passenger feels thrown sideways as a car turns. How is that feeling described?When does an observer's frame of reference become non-inertial?On what two things does the gravitational force between two bodies depend?How does the gravitational force vary with the distance between two particles?How does gravitation rank among the four basic forces of nature?Who first gave the gravitational force an exact mathematical form?Every particle in the universe attracts every other particle along which line?What does it really mean to say an orbiting astronaut is weightless?What does the term microgravity describe?What happens to an astronaut's muscles during a long stay in microgravity?Besides muscle wasting, what else do astronauts lose in microgravity?What shape does each planet's orbit about the Sun take, and where does the Sun sit?What does the line from the Sun to a planet sweep out in equal times?Kepler's third law relates the squares of the periods to which quantity?Under what condition does an ellipse become a circle?A stone is whirled on a string in a horizontal circle. What supplies the centripetal force?Why does a centripetal force change a body's direction but never its speed?The Moon stays in orbit around the Earth. Which force provides its centripetal force?