Physics Test Review TBS

Turning effect of force is ________.

• torque

• moment of force

• balancing moment

• couple

Moment can be calculated using the equation:

• M = F × d

• M = F / d

• M = F² × d

• M = F / d²

One Pascal is the pressure generated by ___________.

• force of 1 N on an area of 1 m²

• force of 1 kgf on an area of 1 m²

• force of 1 N on an area of 1000 m²

• force of 1 N on an area of 1 cm²

Two boys exert force of 40 N and 60 N in opposite directions on an object. The magnitude of the resultant force is ________.

• 20 N

• 200 N

• 40 N

• 240 N

Calculate the pressure produced by a force of 800 N acting on an area of 2.0 m².

• 400 Pa

• 800 Pa

• 40 Pa

• None of these

1 Pa = ________ N/m²

• 1

• 10

• 100

• 0.01

Unit of force is __________.

• Newton

• Pascal

• Joule

• None of these

The moment of a force causes an object to

• move forward.

• move backward.

• stop moving.

• turn about a fixed point

With increase in the weight of an object, the pressure

• increases.

• decreases.

• is not affected.

• turns about a fixed point.

1. With increase in the area of contact of an object, the pressure

• increases.

• decreases.

• is not affected.

• turns about a fixed point.