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(1) The planet earth spins on an ___________?

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axle
pivot
axis
pole
(2) Velocity is known as a ______________ quantity.
speed
magnitude
matrix
vector
(3) Velocity has:
magnitude and direction
only magnitude
only direction
angular acceleration
(4) One Pascal is equal to:
one Newton per metre
one metre squared per Newton
One Newton metre
One Newton per metre squared.
(5) A ball on a string is swung around in a circle. The string snaps.The ball:
continues to move in a circular path.
moves away from the circular path at 90 degrees.
moves away at a tangent to the circular path.
stops.
(6) The units for gravitational field strength are:
Kilograms per Newton.
Newton second squared per metre.
Newton per kilogram.
Newton metre.
(7) A weight of 100N is lifted with speed of 10 m/s.Its Kinetic energy is :
1000J
10J
1/10J
500J
(8) The Kinetic energy of an object is 400j and is travelling at 10m/s. Its mass is?
800m/s
8kg
80kg
4000kg
(9) The elastic limit can be defined as...?
is the point at which a spring snaps.
is a point where the spring stops stretching.
is a point after which the spring becomes permanently deformed.
is a point where the spring will continue to stretch with no extra weight added
(10) Calculate the force applied. Workdone = 20kJ, distance moved= 10cm
20000N
200000N
200N
2000N

 

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