WorksheetsMOCK PRE-UPS 2 SP015 2022/2023
Total questions: 14
Worksheet time: 14mins
The ability to do work or cause change
Work
Momentum
Energy
Power
The product of the net force on an object and the distance through which the object is moved.
Joule
Power
Work
Energy
Which of the following TRUE about kinetic energy?
Kinetic energy depends on height.
Kinetic energy depends on elongation.
Kinetic energy depends on shape.
Kinetic energy depends on motion.
Figure shows a toy car is pushed to compress a spring that attached to a wall.
What is the transformation of energy when the toy car is released?
Kinetic energy to elastic potential energy
Elastic potential energy to gravitational potential energy
Gravitational potential energy to kinetic energy
Elastic potential energy to kinetic energy
A ball is dropped from a certain height and falls freely. The gain in kinetic energy of the ball is
equal to the potential energy of the ball
equal to the work done against air resistance
directly proportional to the distance fallen
directly proportional to the gain in the speed
Centripetal acceleration acts __________ of the circular path.
towards the center
along the circumference
away from the center
perpendicular to the plane
Centripetal acceleration is GREATER when ________
the radius of the circular motion is decreased
the radius of the circular motion is increased
the linear speed is decreased
the linear speed is unchanged
What is the force that causes centripetal acceleration when a car goes around a curve?
Friction
Gravity
Normal
Tension
Which of the following is NOT a unit of rotational speed?
Meters per second
Revolutions per second
Revolutions per minute
Rotations per second
In one revolution there are ___________
1 radian
π radian
2 radian
2π radian
Torque is define as cross product between distance, r and __________
energy
velocity
force
displacement
The easiest way to open a heavy door is by applying the force ______
near the hinges
in the middle of the door
at the edge of the door far from the hinges
at the top of the door
Below are the example of rigid body except:
Beam
Cement
Slab
Column
What is the force that causes centripetal acceleration when a car goes around a curve?
Friction
Gravity
Normal
Tension
