[SC F2] 8.2 (D) Moment of Force

1.

Multiple Select

30 sec

1 pt

The moment of force depends on TWO factors, namely

the force applied

perpendicular distance of the fulcrum to the force

power in the fulcrum and force

time from fulcrum and force

2.

Multiple Select

30 sec

1 pt

Select TWO situations that involve a moment of force

Lifting a pail

Tighten the nut with a wrench

Opening a door

Raising the flag

3.

Multiple Choice

30 sec

1 pt

Moment of force is smaller when applied force is smaller.

TRUE

FALSE

4.

Multiple Choice

30 sec

1 pt

What is the unit of moment f force?

N

m

Nm

N/cm

5.

Multiple Choice

3 mins

1 pt

What is the moment produced by the 15 N?

15 Nm

150 Nm

1.5 Nm

0.15 Nm

6.

Multiple Choice

45 sec

1 pt

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

7.

Multiple Choice

5 mins

1 pt

A wrench is used to tighten a nut. A 15N perpendicular force is applied 50cm away from the axis of rotation, and moves a distance of 10 cm as it turns. What is the moment of force applied to the wrench?

7.5 Nm

1.5 Nm

750 Nm

150 Nm

8.

Multiple Choice

30 sec

1 pt

Moment of force is bigger if the force acts further from turning point

TRUE

FALSE

9.

Multiple Choice

2 mins

1 pt

Which of the following will loosen a nut more easily?

a short spanner because a larger moment of force can be produced.

a long spanner because a larger moment of force can be produced.

a long spanner because a larger force will be applied..

a short spanner because a larger force will be produced.

10.

Multiple Choice

1 min

1 pt

Diagram shows Airin and Ammar sitting on a see-saw. The weight of Airin is 300 N while Ammar is 400 N. What is the distance of Ammar from the fulcrum so that the see-saw is balanced?

1 m

2 m

3 m

4 m

11.

Multiple Select

1 min

1 pt

Which of the following lever is balanced?

(Choose two correct answers.)

Explore this activity with a free account