Circular Motion

Front

A pilot experiences centripetal acceleration of 2g's (2 x 9.8 m/s²) while maneuvering a loop at a speed of 400 m/s. What is the radius of the loop?

Back

8163 m

Front

What is the SI unit for circumference? Options: meter, pi, inches, kilometer

Back

meter

Front

What happens to the centripetal force exerted on an object if you triple the velocity?

Back

It increases to 9X

Front

A satellite of mass m and speed v orbits the Earth at a distance r from the center of the Earth. The gravitational acceleration due to the Earth at the satellite is equal to.

Back

v²/r

Front

Calculate the velocity of an object moved around a circle with a radius of 1.65 m and an acceleration of 3.5 m/s².

Back

2.4 m/s

Front

Calculate the centripetal force required to make a 5 kg ball move 4 m/s in a circle with a radius of 2 m.

Back

40  N

Front

Centripetal force is...

Back

the inward force acting on a body moving at constant speed in a circle

Front

Centripetal acceleration acts towards the ___________ of the circular motion

Back

centre

Front

A horse gallops around a circular arena. What is the direction of the centripetal force on the horse?

Back

directed toward the center of the arena

Front

A ball is moving at constant speed around the circle. Which letter represents the acceleration of the ball? Options: A, B, C, D, Nonsense. The ball can't be accelerating while moving at a constant speed.

Back

A